US2272895A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making inner tubes
Assignee: Bridgestone Firestone Inc
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Filing: 1939-11-28
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Granted: 1942-02-10
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Expires: 1959-11-28
Abstract
No abstract record available.
Inventors
- 👤 Horace D Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:57
CPC Classifications
B; B26; B26F; B26F3/00; B26F3/002; B26F1/00; B26F1/0015; B29; B29C; B29C65/00; B29C66/00; B29C66/50; B29C66/51; B29C66/53; B29C66/532; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/13; B29C66/131; B29C66/70; B29C66/71; B29K; B29K2021/00; B29L; B29L2023/00; B29L2023/24; B29L2023/245; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056; Y10T156/12; Y10T156/1304; Y10T83/00; Y10T83/647; Y10T83/6472
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-02-09 | 1945-08-11 | 1946-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-02-09 | 1949-08-11 | 1950-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-02-09 | 1953-08-11 | 1954-02-10 | $7700.00 | Window Closed / Lapsed |