US4036524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chair
Assignee: YKK Corp
•
Filing: 1976-01-22
•
Granted: 1977-07-19
•
Expires: 1996-01-22
Abstract
Abstract A chair of a relatively simple construction is disclosed, which essentially comprises a seat and a back-rest interconnected therewith by a sliding clasp fastener. The back-rest in particular is clad with a cover attached with one of a pair of fastener stringers, the other stringer being attached to a marginal edge of the seat or its cover.
Inventors
- 👤 Ikuo Takamatsu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:11
CPC Classifications
A; A47; A47C; A47C31/00; A47C31/10; A47C31/11
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
203 words
In combination, a chair having a seat with an upper surface and a free rear upper marginal edge, support means depending from said seat, a back-rest supported in spaced relation above said seat and in general alignment with the free rear upper marginal edge of said seat, said back-rest having a free upper edge and a free front face, a single sheet protective cover of a width substantially equal to the width of the back-rest, said cover having a top edge engaged with and over the free upper edge of the back-rest, and a lower edge generally paralleling the free rear upper marginal edge of the seat in adjacent spaced relation thereabove, a separable sliding clasp fastener comprising a pair of stringers, one of said stringers being secured to and along said lower edge of the cover and depending therefrom, the second of said stringers being secured to the free rear upper marginal edge of said seat and extending upwardly therefrom, said sliding clasp fastener further including a slider releasably interlocking said stringers, and thereby said back-rest cover and said seat, and providing a continuous exposed surface between the back-rest and the free upper marginal rear edge and upper surface of the seat.
Claim 2
Dependent Claim
203 words
In combination, a chair having a seat with an upper surface and a free rear upper marginal edge, support means depending from said seat, a back-rest supported in spaced relation above said seat and in general alignment with the free rear upper marginal edge of said seat, said back-rest having a free upper edge and a free front face, a single sheet protective cover of a width substantially equal to the width of the back-rest, said cover having a top edge engaged with and over the free upper edge of the back-rest, and a lower edge generally paralleling the free rear upper marginal edge of the seat in adjacent spaced relation thereabove, a separable sliding clasp fastener comprising a pair of stringers, one of said stringers being secured to and along said lower edge of the cover and depending therefrom, the second of said stringers being secured to the free rear upper marginal edge of said seat and extending upwardly therefrom, said sliding clasp fastener further including a slider releasably interlocking said stringers, and thereby said back-rest cover and said seat, and providing a continuous exposed surface between the back-rest and the free upper marginal rear edge and upper surface of the seat.
Claim 3
Dependent Claim
218 words
In combination, a chair having a seat, a pad freely overlying said seat, said pad having an upper surface and a free rear upper marginal edge, support means depending from said seat, a back-rest supported in spaced relation above said seat and said pad in general alignment with the free rear upper marginal edge of said pad, said back-rest having a free upper edge and a free front face, a single sheet protective cover of a width substantially equal to the width of the back-rest, said cover having a top edge engaged with and over the free upper edge of the back-rest, and a lower edge generally paralleling the free rear upper marginal edge of the pad in adjacent spaced relation thereabove, a separable sliding clasp fastener comprising a pair of stringers, one of said stringers being secured to and along said lower edge of the cover and depending therefrom, the second of said stringers being secured to and along the free rear upper marginal edge of said pad and extending upwardly therefrom, said sliding clasp fastener further including a slider releasably interlocking said stringers, and thereby said back-rest cover and said seat pad, and providing a continuous exposed surface between the back-rest and the free rear upper marginal edge and upper surface of the seat overlying pad.
Claim 4
Dependent Claim
218 words
In combination, a chair having a seat, a pad freely overlying said seat, said pad having an upper surface and a free rear upper marginal edge, support means depending from said seat, a back-rest supported in spaced relation above said seat and said pad in general alignment with the free rear upper marginal edge of said pad, said back-rest having a free upper edge and a free front face, a single sheet protective cover of a width substantially equal to the width of the back-rest, said cover having a top edge engaged with and over the free upper edge of the back-rest, and a lower edge generally paralleling the free rear upper marginal edge of the pad in adjacent spaced relation thereabove, a separable sliding clasp fastener comprising a pair of stringers, one of said stringers being secured to and along said lower edge of the cover and depending therefrom, the second of said stringers being secured to and along the free rear upper marginal edge of said pad and extending upwardly therefrom, said sliding clasp fastener further including a slider releasably interlocking said stringers, and thereby said back-rest cover and said seat pad, and providing a continuous exposed surface between the back-rest and the free rear upper marginal edge and upper surface of the seat overlying pad.
References Cited (Backward Citations)
US2233986A
Cited
US3515430A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-07-18 | 1981-01-17 | 1981-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-07-18 | 1985-01-17 | 1985-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-07-18 | 1989-01-17 | 1989-07-19 | $7700.00 | Window Closed / Lapsed |