US2653250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque governor for engine making use of a power supply that is subject to great variation
Assignee: Individual
•
Filing: 1950-12-13
•
Granted: 1953-09-22
•
Expires: 1970-12-13
Abstract
No abstract record available.
Inventors
- 👤 Romani Lucien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:02
CPC Classifications
F; F03; F03D; F03D7/00; F03D7/02; F03D7/022; F03D7/0224; F03D13/00; F03D13/10; F03D15/00; F03D15/10; F03D9/00; F03D9/20; F03D9/25; F05; F05B; F05B2220/00; F05B2220/70; F05B2220/706; F05B2260/00; F05B2260/40; F05B2260/403; F05B2260/4031; F05B2260/40311; F05B2260/70; F05B2260/74; F05B2270/00; F05B2270/10; F05B2270/101; F05B2270/1014; F05B2270/103; F05B2270/1032; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/72
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |