Patent US1077560A successfully refreshed from Google Patents.
US1980798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Change speed system
Assignee: Individual
•
Filing: 1933-08-07
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Granted: 1934-11-13
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Expires: 1953-08-07
Abstract
No abstract record available.
Inventors
- 👤 Jesse W Hale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:32
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/02; F16H61/0262; F16H61/0265; F16H61/0267; F16H61/0269; F16H61/0202; F16H61/0204; F16H61/0206; F16H61/0211
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) | 1937-11-12 | 1938-05-14 | 1938-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-11-12 | 1942-05-14 | 1942-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-11-12 | 1946-05-14 | 1946-11-13 | $7700.00 | Window Closed / Lapsed |