Patent US2272901A successfully refreshed from Google Patents.
US2272901A
Expired / Lapsed
US
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Beater
Assignee: Bridgestone Firestone Inc
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Filing: 1940-12-23
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Granted: 1942-02-10
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Expires: 1960-12-23
Abstract
No abstract record available.
Inventors
- 👤 Carter Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:55
CPC Classifications
A; A47; A47J; A47J43/00; A47J43/04; A47J43/07; A47J43/0705; B; B01; B01F; B01F27/00; B01F27/80; B01F27/96; B29; B29B; B29B7/00; B29B7/74; B29B7/7404; B29B7/7409; B29B7/7414; B29K; B29K2021/00; B29K2105/00; B29K2105/0058; B29K2105/0064
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 |