US2945482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable speed drives
Assignee: Ford Motor Co
•
Filing: 1956-03-23
•
Granted: 1960-07-19
•
Expires: 1976-03-23
Abstract
No abstract record available.
Inventors
- 👤 Edwin C Mcrae
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:24
CPC Classifications
F; F01; F01P; F01P7/00; F01P7/02; F01P7/04; F01P7/046; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/1816; Y10T74/19; Y10T74/19219; Y10T74/19251; Y10T74/19256; Y10T74/1926; Y10T74/19265; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19442; Y10T74/19447
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US750498A
Cited
US756363A
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US1983827A
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US2186290A
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US2463100A
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US2694937A
Cited
US2641137A
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US2643750A
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US2694175A
Cited
US2851865A
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US2762229A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |