Patent US3531365A successfully refreshed from Google Patents.
US3531365A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-sealable fabric supported vinyl film
Assignee: Union Carbide Corp
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Filing: 1966-10-14
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Granted: 1970-09-29
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Expires: 1986-10-14
Abstract
No abstract record available.
Inventors
- 👤 Harold R Melin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:39
CPC Classifications
B; B32; B32B; B32B27/00; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24777; Y10T428/24785; Y10T442/00; Y10T442/30; Y10T442/3854; Y10T442/387
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2281635A
Cited
US2638963A
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US2722495A
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US3072512A
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US3053806A
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US3141804A
Cited
US3345226A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-28 | 1974-03-30 | 1974-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-28 | 1978-03-30 | 1978-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-28 | 1982-03-30 | 1982-09-29 | $7700.00 | Window Closed / Lapsed |