Patent US3307758A successfully refreshed from Google Patents.
US3307758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carrying bag and back rest device
Assignee: Individual
•
Filing: 1964-08-24
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Granted: 1967-03-07
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Expires: 1984-08-24
Abstract
No abstract record available.
Inventors
- 👤 Benjamin J Platt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:48
CPC Classifications
A; A45; A45F; A45F4/00; A45F4/02; A47; A47C; A47C1/00; A47C1/14; A47C1/146; A47C4/00; A47C4/52
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
100 words
IN A COMBINED BACK REST AND CARRYING BAG CONSTRUCTION, THE COMBINATION COMPRISING: A FLEXIBLE WEB; A PANEL-LIKE BACK MEMBER SECURED TO SAID WEB; A PANEL-LIKE SUPPORT MEMBER SECURED TO SAID WEB, SAID BACK MEMBER AND SUPPORT MEMBER EACH HAVING A BOTTOM EDGE, SAID BOTTOM EDGES BEING OPPOSED TO AND SPACED FROM EACH OTHER; AN ELONGATED FLEXIBLE ELEMENT CONNECTING SAID BACK MEMBER AND SUPPORT MEMBER AT POINTS THEREON SPACED FROM SAID BOTTOM EDGES FOR NORMALLY CAUSING SAID BACK AND SUPPORT MEMBERS TO SLOPE UPWARDLY FROM SAID BOTTOM EDGES, SAID ELONGATED ELEMENT BEING ADJUSTABLE FOR VARYING THE ANGLE DEFINED BETWEEN SAID MEMBERS;
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |