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US4925244A Expired / Lapsed US ⏱️ 0.0 years remaining

Chair element which can be personalized

Assignee: SpA TONON & C A CORP OF ITALY
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Filing: 1988-12-29
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Granted: 1990-05-15
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Expires: 2008-12-29
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Abstract

Abstract Chair element which can be personalized and to which can be fitted various types of seatbacks (20) or seat surface (21) which are and can be differentiated as regards their shape, the element comprising a bearing structure (10) with rear legs (12) that include a short extension (16) above a support surface (17) of the seat surface (21), the bearing structure (10) cooperating with a self-supporting seatbeak (20).

Inventors

  • 👤 Paolo Nava

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 09:27
CPC Classifications
A; A47; A47C; A47C4/00; A47C4/02; A47C4/03

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 213 words
Chair element which can be personalized, comprising: a bearing structure; a self-supporting seatback removably attached to said bearing structure, wherein said self-supporting seatback is provided with a lower zone, a first lateral projection and a second lateral projection; and a seat surface removably attached to said bearing structure; wherein said bearing structure comprises: a support surface comprising a front cross-member, a rear cross-member, a first lateral member, and a second lateral member, a pair of rear legs extending a short distance above said support surface and fixedly attached thereto, and a pair of front legs fixedly attached to said support surface, wherein said pair of front legs slope away from said pair of rear legs and diverge in a downward direction, wherein said rear legs slope away from said pair of front legs in a downward direction, and wherein said bearing structure has a gap between said rear cross-member and said pair of rear legs; and wherein said seat surface is supported by said support surface, wherein said lower zone of said self-supporting seatback is inserted in said gap between said rear cross member and said pair of rear legs, and wherein said first lateral projection communicates with said first lateral member, and said second lateral projection communicates with said second lateral member.
Claim 2
Dependent Claim 213 words
Chair element which can be personalized, comprising: a bearing structure; a self-supporting seatback removably attached to said bearing structure, wherein said self-supporting seatback is provided with a lower zone, a first lateral projection and a second lateral projection; and a seat surface removably attached to said bearing structure; wherein said bearing structure comprises: a support surface comprising a front cross-member, a rear cross-member, a first lateral member, and a second lateral member, a pair of rear legs extending a short distance above said support surface and fixedly attached thereto, and a pair of front legs fixedly attached to said support surface, wherein said pair of front legs slope away from said pair of rear legs and diverge in a downward direction, wherein said rear legs slope away from said pair of front legs in a downward direction, and wherein said bearing structure has a gap between said rear cross-member and said pair of rear legs; and wherein said seat surface is supported by said support surface, wherein said lower zone of said self-supporting seatback is inserted in said gap between said rear cross member and said pair of rear legs, and wherein said first lateral projection communicates with said first lateral member, and said second lateral projection communicates with said second lateral member.
Claim 3
Dependent Claim 18 words
Chair element as claimed in claim 1, wherein said self-supporting seatback is provided with at least one arm.
Claim 4
Dependent Claim 24 words
Chair element as claimed in claim 1, wherein said pair of rear legs and said pair of front legs have a substantially triangular cross-section.

References Cited (Backward Citations)

US558830A Cited
US660146A Cited
US2620024A Cited
US2642118A Cited
US2965161A Cited
US3087758A Cited
US3301597A Cited
US3318635A Cited
US3547491A Cited
US3510159A Cited
US4302048A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1993-05-14 1993-11-13 1994-05-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1997-05-14 1997-11-13 1998-05-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2001-05-14 2001-11-13 2002-05-15 $7700.00 Window Closed / Lapsed

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