US3137524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seat with auxiliary back rest having single pivot spring assembly
Assignee: Individual
•
Filing: 1962-04-16
•
Granted: 1964-06-16
•
Expires: 1982-04-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles W Chancellor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:14
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/36; A47C7/40; A47C7/46; A47C7/462
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
102 words
AN AUXILIARY BACKREST ASSEMBLY ADAPTED TO BE SECURED TO A SEAT ASSEMBLY, SAID AUXILIARY BACKREST ASSEMBLY COMPRISING A PAIR OF SPACED MOUNTING RAILS, TRANSVERSE BRACKET MEANS EXTENDING BETWEEN AND AFFIXED TO THE RAILS, A TRANSVERSE MEMBER PIVOTALLY MOUNTED ON SAID RAILS AND UNDERLYING SAID BRACKET MEANS FOR SWINGING MOVEMENT TOWARD AND AWAY FROM THE BRACKET MEANS, ADJUSTABLE SPRING MEANS RESILIENTLY INTERCONNECTING THE BRACKET MEANS AND THE TRANSVERSE MEMBER FOR RESILIENTLY URGING SAID TRANSVERSE MEMBER UPWARDLY TOWARD SAID BRACKET MEANS, A SUBSTANTIALLY VERTICALLY DISPOSED MOUNTING PLATE MOUNTED ON THE END OF SAID TRANSVERSE MEMBER, A SUPPORT ARM EXTENDING UPWARDLY FROM AND BEING AD-
References Cited (Backward Citations)
US180548A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |