Patent US1422809A successfully refreshed from Google Patents.
US1422809A
Expired / Lapsed
US
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Power control for drive mechanism
Assignee: Individual
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Filing: 1919-05-28
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Granted: 1922-07-18
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Expires: 1939-05-28
Abstract
No abstract record available.
Inventors
- 👤 Charles W Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:47
CPC Classifications
F; F16; F16H; F16H7/00; F16H7/08; F16H7/10; F16H7/12; F16H7/1254; F16H7/1281; F16H7/129; F16H2007/0802; F16H2007/0808; F16H7/0848; F16H2007/0853; F16H2007/0876; F16H2007/088; F16H2007/0889; F16H2007/0893
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) | 1925-07-17 | 1926-01-16 | 1926-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-07-17 | 1930-01-16 | 1930-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-07-17 | 1934-01-16 | 1934-07-18 | $7700.00 | Window Closed / Lapsed |