Patent US5491099A successfully refreshed from Google Patents.
Patent US3795573A successfully refreshed from Google Patents.
US3795573A
Expired / Lapsed
US
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Liner
Assignee: Individual
•
Filing: 1971-09-27
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Granted: 1974-03-05
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Expires: 1991-09-27
Abstract
Abstract THIS INVENTION RELATES TO A LAMINATE FOR USE IN LINING A CRYOGENIC TANK COMPRISING OF MULTIPLE LAYERS OF WOVEN POLYESTER FIBERS SUCH AS WOVEN POLYETHYLENE TEREPHTHALATE FIBERS AND STRESS-ORIENTED POLYETHYLENE TEREPHTHALATE FILMS, AND ALUMINUM.
Inventors
- 👤 E Smith
- 👤 A Duffy
- 👤 E Lyman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:42
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/04; B32B15/043; B32B15/08; B32B1/00; B32B15/09; B32B15/20; B32B27/00; B32B27/12; B32B27/36; B32B2262/00; B32B2262/02; B32B2262/0276; B32B2262/0284; B32B2311/00; B32B2311/24; B32B2367/00; B32B2439/00; Y; Y10; Y10S; Y10S220/00; Y10S220/901; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/24967; Y10T428/24975; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265; Y10T428/266; Y10T428/31504; Y10T428/31678; Y10T428/31681; Y10T428/31786; Y10T428/31797; Y10T442/00; Y10T442/30; Y10T442/3382; Y10T442/3415; Y10T442/3423
Claims Analysis
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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) | 1977-03-04 | 1977-09-03 | 1978-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-04 | 1981-09-03 | 1982-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-04 | 1985-09-03 | 1986-03-05 | $7700.00 | Window Closed / Lapsed |