US2185079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chain drive
Assignee: C G SARGENT'S SONS Corp
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Filing: 1939-01-10
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Granted: 1939-12-26
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Expires: 1959-01-10
Abstract
No abstract record available.
Inventors
- 👤 Isaac L Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:16
CPC Classifications
F; F16; F16H; F16H7/00; F16H7/06; F16H7/08; F16H7/10; F16H7/12; F16H7/1254; F16H7/1263; F16H2007/0802; F16H2007/0806; F16H2007/0863; F16H2007/0874; F16H2007/0876; F16H2007/088
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) | 1942-12-25 | 1943-06-26 | 1943-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-12-25 | 1947-06-26 | 1947-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-12-25 | 1951-06-26 | 1951-12-26 | $7700.00 | Window Closed / Lapsed |