US2427432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid clutch for use in automatic transmissions
Assignee: Individual
•
Filing: 1944-08-10
•
Granted: 1947-09-16
•
Expires: 1964-08-10
Abstract
No abstract record available.
Inventors
- 👤 Lincoln E Wilhelmy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:44
CPC Classifications
F; F16; F16D; F16D67/00; F16D33/00; F16D33/02; F16D33/04; F16H; F16H3/00; F16H3/02; F16H3/08; F16H3/087; F16H3/091; F16H3/0915; F16H3/006; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19033; Y10T74/19219; Y10T74/19228; Y10T74/19251; Y10T74/19256; Y10T74/1926
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2055895A
Cited
US1102378A
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US1795135A
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US2034988A
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US2150151A
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US2189537A
Cited
US2184941A
Cited
US2359930A
Cited
US2321226A
Cited
US2363952A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-15 | 1951-03-17 | 1951-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-15 | 1955-03-17 | 1955-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-15 | 1959-03-17 | 1959-09-16 | $7700.00 | Window Closed / Lapsed |