Patent US1748733A successfully refreshed from Google Patents.
Patent US1700532A successfully refreshed from Google Patents.
US1700532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-operable lock for power reversing gears
Assignee: Individual
•
Filing: 1924-08-14
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Granted: 1929-01-29
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Expires: 1944-08-14
Abstract
No abstract record available.
Inventors
- 👤 Smith H Hunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:06
CPC Classifications
B; B61; B61C; B61C9/00; F; F16; F16H; F16H59/00; F16H2700/00; F16H2700/06
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) | 1932-01-29 | 1932-07-30 | 1933-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-01-29 | 1936-07-30 | 1937-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-01-29 | 1940-07-30 | 1941-01-29 | $7700.00 | Window Closed / Lapsed |