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US4525899A Expired / Lapsed US ⏱️ 0.0 years remaining

Paper fastener

Assignee: QUALITY SERVICES INCORPORATED A CORP OF RI
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Filing: 1983-06-27
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Granted: 1985-07-02
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Expires: 2003-06-27
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Abstract

Abstract A fastener for paper and the like is integrally molded of a plastic material and comprises hingedly interconnected first and second plate members, each having a mating surface thereon, and a wedge-shaped prong which extends from the mating surface of the first plate member. The prong is receivable in frictional interengagement in a slot in the second plate member to detachably maintain the plate members in the closed positions thereof, wherein the abutting surfaces thereof are in mating relation. One or a plurality of sheets of paper or the like interposed between the plate members are penetrated by the prong when the plate members are in the closed positions thereof to secure the sheets in the fastener.

Inventors

  • 👤 Richard A. Carroll

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 09:09
CPC Classifications
B; B42; B42F; B42F3/00; Y; Y10; Y10T; Y10T24/00; Y10T24/20; Y10T24/202; Y10T24/205; Y10T24/206; Y10T24/209; Y10T24/44; Y10T24/44641; Y10T24/44769

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 238 words
A fastener for paper and the like comprising: (a) a first plate member made of a plastic material and having a slot therethrough, said first plate member having a mating surface and having a second surface which is opposite said mating surface; (b) a second plate member made of said plastic material and having a mating surface; (c) a living hinge integrally interconnecting said first and second plate members so that they are positionable with the mating surfaces thereof in mating relation; (d) a prong integrally formed with said second plate member and projecting from the mating surface thereof, said prong being configured and dimensioned to be received in frictional interengagement in said slot when said first and second plate members are positioned with the mating surfaces thereof in mating relation, whereby said first and second plate members are securable in a closed position wherein the mating surfaces thereof are in mating relation so that a sheet of paper or the like disposed between said surfaces is penetrated by said prong and thereby retained in said fastener; and (e) a frame integrally formed with said first plate member and extending around the periphery of said slot on the second surface of said first plate member, said frame being dimensioned so that when said prong is received in interengagement in said slot, said frame projects outwardly from said first plate member second surface a greater distance than said prong.
Claim 2
Dependent Claim 238 words
A fastener for paper and the like comprising: (a) a first plate member made of a plastic material and having a slot therethrough, said first plate member having a mating surface and having a second surface which is opposite said mating surface; (b) a second plate member made of said plastic material and having a mating surface; (c) a living hinge integrally interconnecting said first and second plate members so that they are positionable with the mating surfaces thereof in mating relation; (d) a prong integrally formed with said second plate member and projecting from the mating surface thereof, said prong being configured and dimensioned to be received in frictional interengagement in said slot when said first and second plate members are positioned with the mating surfaces thereof in mating relation, whereby said first and second plate members are securable in a closed position wherein the mating surfaces thereof are in mating relation so that a sheet of paper or the like disposed between said surfaces is penetrated by said prong and thereby retained in said fastener; and (e) a frame integrally formed with said first plate member and extending around the periphery of said slot on the second surface of said first plate member, said frame being dimensioned so that when said prong is received in interengagement in said slot, said frame projects outwardly from said first plate member second surface a greater distance than said prong.

References Cited (Backward Citations)

US547335A Cited
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US3296673A Cited
US3315325A Cited
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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) 1988-07-01 1988-12-31 1989-07-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1992-07-01 1992-12-31 1993-07-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1996-07-01 1996-12-31 1997-07-02 $7700.00 Window Closed / Lapsed

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