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US4281875A Expired / Lapsed US ⏱️ 0.0 years remaining

Plastics material supporting element, molded in the form of interlaced straw, effective to be fixed to a chair body

Assignee: Individual
•
Filing: 1979-02-26
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Granted: 1981-08-04
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Expires: 1999-02-26
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Abstract

Abstract A supporting structure, effective to act as a chair seat and/or back, and to be fixed to a chair body, is described which consists of a substantially flat structure, structure having a suitable thickness and being made of a suitable plastics material, the structure having the form of an interlacing of straw stems, or other similar vegetal materials, defining a plurality of holes. The structure may be obtained in any flat geometrical shape, depending on the shape of the frame with which it must be associated, the structure is provided, peripherically, with an upper edge and lower lug, provided, at even spacings, with tabs, the tabs defining an outer tooth effective to engage into suitable slots formed in said structure supporting frame.

Inventors

  • 👤 Mario Manzoni

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 00:28
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 147 words
The combination of a supporting element (1) acting as a chair seat or back, and a chair frame wherein said chair frame consists of two vertically extending parallel elements (6,7) and an annular element (8) connecting said two parallel elements, said annular connecting element being provided with slots, and wherein the outer one of said two vertically extending parallel elements is provided with an inner upper ridge (9), and wherein the supporting element consists of a substantially flat structure, said structure having a suitable thickness and being made of a suitable plastics material, said structure having the appearance of interlaced straw stems, or the like, defining a plurality of openings (2), said structure being provided with an upper peripheral edge (3) and downwardly projecting lugs (4), said lugs being provided with spaced tabs (5), said tabs being engageable with said slots formed in said annular connecting elements.
Claim 2
Dependent Claim 147 words
The combination of a supporting element (1) acting as a chair seat or back, and a chair frame wherein said chair frame consists of two vertically extending parallel elements (6,7) and an annular element (8) connecting said two parallel elements, said annular connecting element being provided with slots, and wherein the outer one of said two vertically extending parallel elements is provided with an inner upper ridge (9), and wherein the supporting element consists of a substantially flat structure, said structure having a suitable thickness and being made of a suitable plastics material, said structure having the appearance of interlaced straw stems, or the like, defining a plurality of openings (2), said structure being provided with an upper peripheral edge (3) and downwardly projecting lugs (4), said lugs being provided with spaced tabs (5), said tabs being engageable with said slots formed in said annular connecting elements.

References Cited (Backward Citations)

US118079A Cited
DE495209C Cited
GB336120A Cited
US4079529A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1984-08-03 1985-02-02 1985-08-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1988-08-03 1989-02-02 1989-08-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1992-08-03 1993-02-02 1993-08-04 $7700.00 Window Closed / Lapsed

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