US1496490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission for engines
Assignee: A L POWELL POWER CO Inc
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Filing: 1921-05-03
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Granted: 1924-06-03
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Expires: 1941-05-03
Abstract
No abstract record available.
Inventors
- 👤 Alvah L Powell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:25
CPC Classifications
F; F16; F16H; F16H21/00; F16H21/10; F16H21/16; F16H21/18; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18208
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) | 1927-06-03 | 1927-12-03 | 1928-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-06-03 | 1931-12-03 | 1932-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-06-03 | 1935-12-03 | 1936-06-03 | $7700.00 | Window Closed / Lapsed |