US3589763A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seats
Assignee: Rootes Motors Ltd
•
Filing: 1969-01-06
•
Granted: 1971-06-29
•
Expires: 1989-01-06
Abstract
Abstract A seat having front and rear crossmembers between which a resilient diaphragm is stretched for supporting a seat cushion and a resilient connecting member secured to the underside of the diaphragm part way between the front and rear crossmembers and to the seat frame below the front and rear crossmembers which connecting member is arranged to hold the diaphragm in a generally concave formation.
Inventors
- 👤 John Vincent Reeves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:23
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/16; A47C5/00; A47C5/04; A47C5/06
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
119 words
A seat comprising a seat frame having front and rear crossmembers spaced apart in a generally horizontal plane, a resilient diaphragm for supporting a seat cushion stretched between and secured to the front and rear crossmembers of the frame, the diaphragm comprising front and rear portions which are joined together parT-way between the front and rear crossmembers of the frame and which portions extend obliquely to one another to define an upwardly facing concave surface for receiving the seat cushion, and a resilient connection stretched from the join between the front and rear portions of the diaphragm to a part of the frame located below the front crossmember to hold the portion of the diaphragm oblique to one another.
Claim 2
Dependent Claim
119 words
A seat comprising a seat frame having front and rear crossmembers spaced apart in a generally horizontal plane, a resilient diaphragm for supporting a seat cushion stretched between and secured to the front and rear crossmembers of the frame, the diaphragm comprising front and rear portions which are joined together parT-way between the front and rear crossmembers of the frame and which portions extend obliquely to one another to define an upwardly facing concave surface for receiving the seat cushion, and a resilient connection stretched from the join between the front and rear portions of the diaphragm to a part of the frame located below the front crossmember to hold the portion of the diaphragm oblique to one another.
Claim 3
Dependent Claim
22 words
A seat as claimed in claim 1 wherein the front and rear portions of the resilient diaphragm are integral with one another.
Claim 4
Dependent Claim
23 words
A seat as claimed in claim 1 wherein the front portion of the diaphragm and the resilient connection are integral with one another.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-28 | 1974-12-28 | 1975-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-28 | 1978-12-28 | 1979-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-28 | 1982-12-28 | 1983-06-29 | $7700.00 | Window Closed / Lapsed |