US4285544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Furniture construction
Assignee: Knoll Inc
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Filing: 1977-05-12
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Granted: 1981-08-25
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Expires: 1997-05-12
Abstract
Abstract Furniture including a cushion comprising padding material, and upholstery material covering the padding material and releasably secured thereto. Such construction may advantageously be utilized for forming a cushion essentially in the form of an open-ended bag which is slipped over a cushion-receiving part of a frame for an item of furniture. The frame may include a base pan which is covered by padding material in turn covered by upholstery material. The upholstery material includes flaps releasably joined together on the underside of the base pan, and at least part of the upholstery material on the underside of the base pan is releasably secured to the base pan.
Inventors
- 👤 Otto W. Zapf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:27
CPC Classifications
A; A47; A47C; A47C3/00; A47C3/16; A47C13/00; A47C17/00; A47C17/04; A47C17/045; Y; Y10; Y10S; Y10S297/00; Y10S297/06
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
175 words
Cushion construction comprising a resilient padding member in the general shape of a bag open at one of its ends and closed at its opposite end, upholstery material covering said padding member and also in the general shape of a bag open at one of its ends and closed at its opposite end and closed along its sides, said upholstery material enclosing said padding member with the open end of each adjacent each other, and the open end of said upholstery material extending inside the open end of said padding member, first attaching means along an inwardly exposed under surface of said upholstery material at the open end thereof, second attaching means along an inside surface of said padding member at and inside the open end thereof and removably attached to said first attaching means to provide an upholstered cushion in the general shape of a padded bag open at one of its ends and closed at its opposite end and closed along its sides and in which the upholstery material may be readily removed.
Claim 2
Dependent Claim
175 words
Cushion construction comprising a resilient padding member in the general shape of a bag open at one of its ends and closed at its opposite end, upholstery material covering said padding member and also in the general shape of a bag open at one of its ends and closed at its opposite end and closed along its sides, said upholstery material enclosing said padding member with the open end of each adjacent each other, and the open end of said upholstery material extending inside the open end of said padding member, first attaching means along an inwardly exposed under surface of said upholstery material at the open end thereof, second attaching means along an inside surface of said padding member at and inside the open end thereof and removably attached to said first attaching means to provide an upholstered cushion in the general shape of a padded bag open at one of its ends and closed at its opposite end and closed along its sides and in which the upholstery material may be readily removed.
Claim 3
Dependent Claim
42 words
Cushion construction according to claim 1 in which said first and second attaching means comprise male and female hook and loop type fasteners secured one to said padding member and the other to said upholstery material along the open end of each.
Claim 4
Dependent Claim
118 words
A chair or similar construction upholstered with easily removable material comprising a base pan, padding material removably covering all of both sides of said base pan except for a limited area on one side of said base pan to which a base pan support structure is secured, and upholstery material removably covering all of said padding material on both sides of said base pan and formed with integral flaps of upholstery material releasably joined together on said one side of said base pan, and means releasably securing at least part of said upholstery material on said one side of said base pan to said base pan along an edge portion of said limited area of said base pan.
Claim 5
Dependent Claim
118 words
A chair or similar construction upholstered with easily removable material comprising a base pan, padding material removably covering all of both sides of said base pan except for a limited area on one side of said base pan to which a base pan support structure is secured, and upholstery material removably covering all of said padding material on both sides of said base pan and formed with integral flaps of upholstery material releasably joined together on said one side of said base pan, and means releasably securing at least part of said upholstery material on said one side of said base pan to said base pan along an edge portion of said limited area of said base pan.
Claim 6
Dependent Claim
59 words
Furniture construction according to claim 3 in which said releasably securing means comprises male and female hook and loop type fasteners attached one to selected parts of said upholstery material on the underside of said base pan and the other to adjacent parts of said base pan along said edge portion of said limited area of said base pan.
Claim 7
Dependent Claim
171 words
A finished chair comprising a frame having a seat pan and a pair of upwardly extending cushion-receiving side arm structures and an upwardly extending cushion-receiving back support structure and a seat pan support structure, a plurality of cushion members removably fitted onto said cushion-receiving side arm and back support structures, padding material covering all of the upper side of said seat pan and extending underneath thereof except for a limited area on the underside of said seat pan to which said seat pan support structure is secured, and upholstery material removably covering all of said padding material on both the upper and lower sides of said seat pan and being positioned about said side arm and back support structures, said upholstery material being formed with flaps releasably joined together on the underside of said seat pan and also releasably secured to the underside of said seat pan along an edge portion of said limited area of said seat pan all to secure said upholstery material and padding on said seat pan.
Claim 8
Dependent Claim
171 words
A finished chair comprising a frame having a seat pan and a pair of upwardly extending cushion-receiving side arm structures and an upwardly extending cushion-receiving back support structure and a seat pan support structure, a plurality of cushion members removably fitted onto said cushion-receiving side arm and back support structures, padding material covering all of the upper side of said seat pan and extending underneath thereof except for a limited area on the underside of said seat pan to which said seat pan support structure is secured, and upholstery material removably covering all of said padding material on both the upper and lower sides of said seat pan and being positioned about said side arm and back support structures, said upholstery material being formed with flaps releasably joined together on the underside of said seat pan and also releasably secured to the underside of said seat pan along an edge portion of said limited area of said seat pan all to secure said upholstery material and padding on said seat pan.
Claim 9
Dependent Claim
353 words
A finished chair comprising a frame having a seat pan and a pair of upwardly extending cushion-receiving side arm structures and an upwardly extending cushion-receiving back support structure and a seat pan support structure, a plurality of cushion members removably fitted onto said cushion-receiving side arm and back support structures, each of said cushion members comprising a resilient padding member in the general shape of a bag open at one of its ends and closed at its opposite end, upholstery covering said padding member and also in the general shape of a bag open at one of its ends and closed at its opposite end and closed along its sides, said upholstery enclosing said padding member with the open end of each adjacent each other and the open end of said upholstery extending inside the open end of said padding member, first attaching means along an inwardly exposed under surface of said upholstery at the open end thereof, second attaching means along an inside surface of said padding member at the open end thereof and removably attached to said first attaching means to provide an upholstery cushion in the general shape of a padded bag open at one of its ends and closed at its opposite end and closed along its sides and in which the upholstery may be readily removed, the open end of each upholstered cushion member being placed over the associated one of said side arm and back support structures, padding material covering all of the upper side of said seat pan and extending underneath thereof except for a limited area on the underside of said seat pan to which said seat pan support structure is secured, and upholstery material removably covering all of said padding material on both the upper and lower sides of said seat pan, said upholstery material being formed with flaps releasably joined together on the underside of said seat pan and also releasably secured to the underside of said seat pan along an edge portion of said limited area of said seat pan all to secure said upholstery material and padding on said seat pan.
Claim 10
Dependent Claim
353 words
A finished chair comprising a frame having a seat pan and a pair of upwardly extending cushion-receiving side arm structures and an upwardly extending cushion-receiving back support structure and a seat pan support structure, a plurality of cushion members removably fitted onto said cushion-receiving side arm and back support structures, each of said cushion members comprising a resilient padding member in the general shape of a bag open at one of its ends and closed at its opposite end, upholstery covering said padding member and also in the general shape of a bag open at one of its ends and closed at its opposite end and closed along its sides, said upholstery enclosing said padding member with the open end of each adjacent each other and the open end of said upholstery extending inside the open end of said padding member, first attaching means along an inwardly exposed under surface of said upholstery at the open end thereof, second attaching means along an inside surface of said padding member at the open end thereof and removably attached to said first attaching means to provide an upholstery cushion in the general shape of a padded bag open at one of its ends and closed at its opposite end and closed along its sides and in which the upholstery may be readily removed, the open end of each upholstered cushion member being placed over the associated one of said side arm and back support structures, padding material covering all of the upper side of said seat pan and extending underneath thereof except for a limited area on the underside of said seat pan to which said seat pan support structure is secured, and upholstery material removably covering all of said padding material on both the upper and lower sides of said seat pan, said upholstery material being formed with flaps releasably joined together on the underside of said seat pan and also releasably secured to the underside of said seat pan along an edge portion of said limited area of said seat pan all to secure said upholstery material and padding on said seat pan.
Claim 11
Dependent Claim
42 words
A finished chair according to claim 6, in which said first and second attaching means comprise male and female hook and loop type fasteners secured one to said padding member and the other to said upholstery along the open end of each.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-08-24 | 1985-02-23 | 1985-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-08-24 | 1989-02-23 | 1989-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-08-24 | 1993-02-23 | 1993-08-25 | $7700.00 | Window Closed / Lapsed |