US2638006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed change and control mechanism
Assignee: Individual
•
Filing: 1947-06-24
•
Granted: 1953-05-12
•
Expires: 1967-06-24
Abstract
No abstract record available.
Inventors
- 👤 Ernest A Feustel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:09
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/66; F16H61/662
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US387714A
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US2521185A
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US1692955A
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US1964909A
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US2139482A
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US2239927A
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US2321556A
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US2355587A
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US2493828A
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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) | 1956-05-11 | 1956-11-10 | 1957-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-11 | 1960-11-10 | 1961-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-11 | 1964-11-10 | 1965-05-12 | $7700.00 | Window Closed / Lapsed |