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US3578385A Expired / Lapsed US ⏱️ 0.0 years remaining

Demountable sofa or chair construction

Assignee: Individual
•
Filing: 1970-03-04
•
Granted: 1971-05-11
•
Expires: 1990-03-04
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Abstract

Abstract The outer rigid frame is demountably fastened together by pins inserted in transverse openings formed in the outer exposed ends of tongues which are rigid with the ends of the front and back walls of the frame and which protrude through openings formed in the sidewalls of the outer frame. The cushion support is formed of strong fabric detachably connected to three parallel, elongated dowels removably mounted on the sidewalls of the frame.

Inventors

  • 👤 Karen R Stiglitz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 18:57
CPC Classifications
A; A47; A47C; A47C15/00; A47C15/002; A47C4/00; A47C4/02; A47C4/028; A47C7/00; A47C7/02; A47C7/22

Claims Analysis

Total Claims: 15
Claim 1
Independent Claim 221 words
A sofa or chair having a readily demountable rigid outer frame and an inner cushion support removably mounted within the outer frame, the outer frame comprising: a pair of rigid, spacedapart sidewall members, a rigid backwall member and a rigid front wall member, and means demountably securing the back and front wall members and the sidewall members together; and the inner cushion support comprising; first, second and third parallel elongated members extending horizontally between the sidewall members and parallel with the front and back wall members, the first elongated member being disposed adjacent the inner surface at the upper edge portion of the front wall member, the second elongated member being disposed adjacent the inner surface near the upper edge of the backwall member, and the third elongated member being disposed a short distance inwardly from the inner surface of the backwall member, means for removably supporting the ends of the first, second and third elongated members on the sidewall members adjAcent thereto, and fabric means extending between the sidewall members and detachably fastened to the three elongated members arranged to provide a substantially horizontal seat cushion support surface extending rearwardly from the first elongated member to adjacent the third elongated member and a back cushion support surface extending downwardly from the second elongated member to adjacent the third elongated member.
Claim 2
Dependent Claim 221 words
A sofa or chair having a readily demountable rigid outer frame and an inner cushion support removably mounted within the outer frame, the outer frame comprising: a pair of rigid, spacedapart sidewall members, a rigid backwall member and a rigid front wall member, and means demountably securing the back and front wall members and the sidewall members together; and the inner cushion support comprising; first, second and third parallel elongated members extending horizontally between the sidewall members and parallel with the front and back wall members, the first elongated member being disposed adjacent the inner surface at the upper edge portion of the front wall member, the second elongated member being disposed adjacent the inner surface near the upper edge of the backwall member, and the third elongated member being disposed a short distance inwardly from the inner surface of the backwall member, means for removably supporting the ends of the first, second and third elongated members on the sidewall members adjAcent thereto, and fabric means extending between the sidewall members and detachably fastened to the three elongated members arranged to provide a substantially horizontal seat cushion support surface extending rearwardly from the first elongated member to adjacent the third elongated member and a back cushion support surface extending downwardly from the second elongated member to adjacent the third elongated member.
Claim 3
Dependent Claim 64 words
A sofa or chair according to claim 1 in which the means for removably supporting the ends of the first, second and third elongated members comprises openings formed in each of the sidewall members in axial alignment with the ends of the three elongated members, the end portions of each of the elongated members being removably mounted in the respective openings in the sidewalls.
Claim 4
Dependent Claim 19 words
A sofa or chair according to claim 2 in which the first, second and third elongated members are cylindrical.
Claim 5
Dependent Claim 26 words
A sofa or chair according to claim 3 in which the first, second and third elongated members are of substantially uniform diameter from end to end.
Claim 6
Dependent Claim 27 words
A sofa or chair according to claim 2 including means for removably securing the end portions of the first, second and third elongated members in said openings.
Claim 7
Dependent Claim 78 words
A sofa or chair according to claim 1 including support strut means disposed intermediate the sidewall members and extending between the front and the rear wall members, means fixedly securing the support strut means to the front and to the rear wall members, and three upwardly facing bearing surfaces formed on the support strut means for supporting the first, second and third elongated members, each of said elongated members resting on a different one of the bearing surfaces.
Claim 8
Dependent Claim 76 words
A sofa or chair according to claim 1 wherein the fabric means comprises a unitary sheet of heavy flexible material formed at the front edge thereof with a hem through which the first elongated member extends and at the back edge thereof with a hem through which the second elongated member extends, the sheet of flexible material being formed intermediate the front and back edges with an elongated hem through which the third elongated member extends.
Claim 9
Dependent Claim 103 words
A sofa or chair according to claim 1 wherein the means demountably securing the back and front wall members and the sidewall members together comprises key means rigid with and extending outwardly from each end of the backwall and from each end of the front wall, said key means extending through cooperating tongue receiving opening formed in the adjacent sidewalls and projecting a short distance beyond the outer surface of the sidewalls, the projecting portion of the key means having a transverse opening formed therein, and pin means removably mounted in the transverse openings and engaging the outer surface of the respective sidewall.
Claim 10
Dependent Claim 259 words
An L-shaped sofa having a readily demountable rigid outer frame and a pair of inner cushion supports removably mounted within the outer frame, the outer frame comprising: a first section having a rigid backwall and a rigid front wall, a sidewall at one end of the front and back walls, and an elongated wall at the other end of the front and back walls, said elongated wall forming a sidewall for the first section and having a portion thereof extending for a substantial distance outwardly beyond the front wall forming the backwall member for a second section of the sofa which is disposed normal to the first section, means demountably securing the back and front walls to the sidewall and to the elongated wall, said second section including a front wall member extending outwardly from said front wall and parallel with said backwall member, a sidewall member disposed at the outer end of the front wall member and of the elongated wall, means demountably securing the sidewall member to the front wall member and to the elongated wall, and means demountably securing the front wall member to said front wall, each of the inner cushion supports comprising, a plurality of spaced-apart paraLlel elongated members, and flexible sheet means detachably fastened to the elongated members arranged to provide a taut cushion support, means removably mounting one of the cushion supports on the outer frame and within the first section thereof, and means removably mounting the other of the cushion supports on the outer frame and within the second section thereof.
Claim 11
Dependent Claim 259 words
An L-shaped sofa having a readily demountable rigid outer frame and a pair of inner cushion supports removably mounted within the outer frame, the outer frame comprising: a first section having a rigid backwall and a rigid front wall, a sidewall at one end of the front and back walls, and an elongated wall at the other end of the front and back walls, said elongated wall forming a sidewall for the first section and having a portion thereof extending for a substantial distance outwardly beyond the front wall forming the backwall member for a second section of the sofa which is disposed normal to the first section, means demountably securing the back and front walls to the sidewall and to the elongated wall, said second section including a front wall member extending outwardly from said front wall and parallel with said backwall member, a sidewall member disposed at the outer end of the front wall member and of the elongated wall, means demountably securing the sidewall member to the front wall member and to the elongated wall, and means demountably securing the front wall member to said front wall, each of the inner cushion supports comprising, a plurality of spaced-apart paraLlel elongated members, and flexible sheet means detachably fastened to the elongated members arranged to provide a taut cushion support, means removably mounting one of the cushion supports on the outer frame and within the first section thereof, and means removably mounting the other of the cushion supports on the outer frame and within the second section thereof.
Claim 12
Dependent Claim 138 words
A sofa of L-shaped configuration having a readily demountable rigid outer frame and a pair of inner cushion supports removably mounted within the outer frame, the outer frame comprising, a pair of backwall members disposed normal to each other, a pair of front wall members disposed normal to each other, a sidewall member disposed at the outer ends of the back and front wall members, and means demountably fastening the back, front and sidewall members together to form an L-shaped rigid outer frame, the inner cushion supports being disposed normal to each other and each comprising a plurality of spaced-apart, parallel, elongated members, fabric means detachably fastened to the elongated members to provide a taut cushion support surface, and means for removably supporting the elongated members of each of the inner cushion supports on the rigid outer frame.
Claim 13
Dependent Claim 138 words
A sofa of L-shaped configuration having a readily demountable rigid outer frame and a pair of inner cushion supports removably mounted within the outer frame, the outer frame comprising, a pair of backwall members disposed normal to each other, a pair of front wall members disposed normal to each other, a sidewall member disposed at the outer ends of the back and front wall members, and means demountably fastening the back, front and sidewall members together to form an L-shaped rigid outer frame, the inner cushion supports being disposed normal to each other and each comprising a plurality of spaced-apart, parallel, elongated members, fabric means detachably fastened to the elongated members to provide a taut cushion support surface, and means for removably supporting the elongated members of each of the inner cushion supports on the rigid outer frame.
Claim 14
Dependent Claim 125 words
A sofa or chair having a readily demountable rigid outer frame and an inner cushion support removably mounted within the outer frame, the outer frame comprising: a pair of rigid, spaced-apart sidewall members, a rigid backwall member and a rigid front wall member, and means demountably securing the back and front wall members and the sidewall members together; and the removably mounted inner cushion support for seat and back sofa cushions comprising a plurality of spaced-apart, parallel, elongated members extending horizontally between the sidewall members and parallel with the front and backwall members, means for removably supporting the ends of the elongated members on the sidewall members adjacent thereto, and flexible sheet means extending between the sidewall members and detachably fastened to the elongated members.
Claim 15
Dependent Claim 125 words
A sofa or chair having a readily demountable rigid outer frame and an inner cushion support removably mounted within the outer frame, the outer frame comprising: a pair of rigid, spaced-apart sidewall members, a rigid backwall member and a rigid front wall member, and means demountably securing the back and front wall members and the sidewall members together; and the removably mounted inner cushion support for seat and back sofa cushions comprising a plurality of spaced-apart, parallel, elongated members extending horizontally between the sidewall members and parallel with the front and backwall members, means for removably supporting the ends of the elongated members on the sidewall members adjacent thereto, and flexible sheet means extending between the sidewall members and detachably fastened to the elongated members.

References Cited (Backward Citations)

US2829707A Cited
US3241885A Cited
US3186758A Cited
US3455604A Cited
US3380777A Cited
US3379474A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-05-10 1974-11-09 1975-05-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-05-10 1978-11-09 1979-05-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-05-10 1982-11-09 1983-05-11 $7700.00 Window Closed / Lapsed

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