Patent US3263987A successfully refreshed from Google Patents.
US3263987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring seat suspension
Assignee: Individual
•
Filing: 1964-08-28
•
Granted: 1966-08-02
•
Expires: 1984-08-28
Abstract
No abstract record available.
Inventors
- 👤 Alan E Rathbun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:24
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/14
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
92 words
A SPRING SEAT SUSPENSION COMPRISING, A BASE, A RESILIENT ROD RECTANGULAR SPRING FRAME HAVING A FRONT, BACK AND OPPOSED SIDE PORTIONS, AT LEAST ONE SEATING AREA ON SAID SPRING FRAME, SAID SPRING FRAME SUPPORTING ON SAID BASE BY HINGED MEANS CONNECTING THE BACK OF SAID SPRING FRAME TO SAID BASE AND RESILIENT MEANS INTERPOSED BETWEEN THE FRONT OF SAID SPRING FRAME AND SAID BASE TO PERMIT SAID SPRING FRAME TO SWING THROUGH A LIMITED ARC ABOUT SAID HINGE MEANS, SAID HINGE MEANS BEING LOCATED LATERALLY OF SAID SEATING AREA, STRAP MEANS EXTEND-
References Cited (Backward Citations)
GB785892A
Cited
US3165308A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |