US2697359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed variator
Assignee: Individual
•
Filing: 1949-08-17
•
Granted: 1954-12-21
•
Expires: 1969-08-17
Abstract
No abstract record available.
Inventors
- 👤 Louis Gerard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:26
CPC Classifications
F; F16; F16H; F16H15/00; F16H15/02; F16H15/04; F16H15/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1029641A
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FR446325A
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FR18627E
Cited
US1585140A
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US1856249A
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US1979170A
Cited
US2252630A
Cited
GB605479A
Cited
US2469653A
Cited
US2478227A
Cited
US2580990A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |