US2749776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversing gear and drive control
Assignee: Individual
•
Filing: 1952-03-17
•
Granted: 1956-06-12
•
Expires: 1972-03-17
Abstract
No abstract record available.
Inventors
- 👤 Frederick K Fischer
- 👤 William H Bartolett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:36
CPC Classifications
F; F16; F16H; F16H35/00; F16H35/10; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19386; Y10T74/19409
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US160877A
Cited
DE405557C
Cited
US1165019A
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US1722302A
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FR698025A
Cited
US2217464A
Cited
US2592210A
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US2439079A
Cited
US2536897A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-12 | 1959-12-12 | 1960-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-12 | 1963-12-12 | 1964-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-12 | 1967-12-12 | 1968-06-12 | $7700.00 | Window Closed / Lapsed |