US3189382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible backrest
Assignee: Individual
•
Filing: 1963-06-04
•
Granted: 1965-06-15
•
Expires: 1983-06-04
Abstract
No abstract record available.
Inventors
- 👤 Fortier J Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:48
CPC Classifications
A; A47; A47C; A47C1/00; A47C1/14; A47C1/146; A47C4/00; A47C4/28; A47C4/286; A47C9/00; A47C9/10; A47C9/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
IN A COLLAPSIBLE BACKREST, THE COMBINATION OF A PAIR OF CHANNEL MEMBERS, EACH HAVING TWO ENDS; AN OUTER AND INNER TELESCOPIC RODS IN EACH OF THE CHANNEL MEMBERS WITH THE OUTER OF EACH OF THE TELESCOPING RODS MOUNTED TO PIVOT AT ONE END OF THE RESPECTIVE CHANNEL MEMBER AND THE TELESCOPIC RODS OF ONE CHANNEL MEMBER HAVING NO DIRECT RIGID CONNECTION WITH THE TELESCOPING RODS OF THE OTHER CHANNEL MEMBER; A FLEXIBLE MEMBRANE CARRIED BY THE TELESCOPING RODS TO FORM THE SOLE DIRECT CONNECTION BETWEEN SAID RODS AS WELL AS THE ONLY SUPPORT CONTACT WITH THE BACK OF A USER OF SAID BACKREST; AND A FOLDABLE CROSS BRACING STRUCTURE FIXED TO THE CHANNEL MEMBERS FOR HOLDING THE CHANNEL MEMBERS DISTAL FROM EACH OTHER IN
Claim 2
Dependent Claim
124 words
IN A COLLAPSIBLE BACKREST, THE COMBINATION OF A PAIR OF CHANNEL MEMBERS, EACH HAVING TWO ENDS; AN OUTER AND INNER TELESCOPIC RODS IN EACH OF THE CHANNEL MEMBERS WITH THE OUTER OF EACH OF THE TELESCOPING RODS MOUNTED TO PIVOT AT ONE END OF THE RESPECTIVE CHANNEL MEMBER AND THE TELESCOPIC RODS OF ONE CHANNEL MEMBER HAVING NO DIRECT RIGID CONNECTION WITH THE TELESCOPING RODS OF THE OTHER CHANNEL MEMBER; A FLEXIBLE MEMBRANE CARRIED BY THE TELESCOPING RODS TO FORM THE SOLE DIRECT CONNECTION BETWEEN SAID RODS AS WELL AS THE ONLY SUPPORT CONTACT WITH THE BACK OF A USER OF SAID BACKREST; AND A FOLDABLE CROSS BRACING STRUCTURE FIXED TO THE CHANNEL MEMBERS FOR HOLDING THE CHANNEL MEMBERS DISTAL FROM EACH OTHER IN
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) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |