US1381249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic take-up attachment
Assignee: Revere Rubber Co
•
Filing: 1920-09-22
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Granted: 1921-06-14
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Expires: 1940-09-22
Abstract
No abstract record available.
Inventors
- 👤 William E Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:35
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/355; B29C48/03; B29C48/09
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) | 1924-06-13 | 1924-12-13 | 1925-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-06-13 | 1928-12-13 | 1929-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-06-13 | 1932-12-13 | 1933-06-14 | $7700.00 | Window Closed / Lapsed |