US2272290A
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Rubber article and method for making the same
Assignee: American Anode Inc
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Filing: 1937-08-26
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Granted: 1942-02-10
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Expires: 1957-08-26
Abstract
No abstract record available.
Inventors
- 👤 Carl L Beal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:18
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/74; B29C65/743; B29C65/7441; B29C41/00; B29C41/02; B29C41/14; B29C41/22; B29C65/02; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/432; B29C66/4326; B29C66/70; B29C66/71; B29C69/00; B29C69/001; B29C48/00; B29C48/001; B29C48/0011; B29C48/03; B29C48/07; B29C48/08; B29C48/09; B29C48/13; B29C66/80; B29C66/83; B29C66/832; B29C66/8322; B29K; B29K2021/00; B29L; B29L2022/00; B29L2031/00; B29L2031/58; Y; Y10; Y10S; Y10S297/00; Y10S297/03; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056; Y10T156/1057; Y10T428/00; Y10T428/24; Y10T428/24149; Y10T428/24174; Y10T428/24273; Y10T428/24322
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 |