US2653487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable speed mechanism
Assignee: Individual
•
Filing: 1950-10-02
•
Granted: 1953-09-29
•
Expires: 1970-10-02
Abstract
No abstract record available.
Inventors
- 👤 Martin Jose Soler
- 👤 Sanz Alfonso Ildefonso
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:51
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/72; F16H3/721; F16H3/722
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR372011A
Cited
FR12209E
Cited
US1542701A
Cited
US1957578A
Cited
US2051187A
Cited
US2278351A
Cited
US2263707A
Cited
US2373138A
Cited
US2533126A
Cited
US2580449A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |