US3348476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flat-formed inflatable pressure bags
Assignee: Parsons Corp
•
Filing: 1963-02-04
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Granted: 1967-10-24
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Expires: 1983-02-04
Abstract
No abstract record available.
Inventors
- 👤 Winston E Brownlee
- 👤 Jack L Ritchey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:57
CPC Classifications
B; B29; B29D; B29D22/00; B29D22/02; B30; B30B; B30B5/00; B30B5/02; Y; Y10; Y10S; Y10S425/00; Y10S425/019; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1036; Y10T156/1052; Y10T156/1062; Y10T156/1074
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
69 words
A PRESSURE BAG FOR APPLYING BONDING PRESSURE AND THE LIKE, COMPRISING A FLAT-SIDED DISTENSIBLE HOLLOW HAVING A PLURALITY OF REINFORCED PLY LAMINATES HAVING JOINTS ALTERNATELY AT OPPOSITE SIDE SURFACES OF THE BAG AND VULCANIZED TO FORM SUCCESSIVE BAG LAYERS, AND A FLEXIBLE FLAT SHEET PATTERN WITHIN THE INNERMOST LAYER AND OF A SIZE CORRESPONDING TO THE INNER SIZE OF THE BAG WHEN FLATTENED, SAID PATTERN HAVING A NON-ADHERENT SURFACE.
References Cited (Backward Citations)
US2859796A
Cited
US2992955A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |