US2491003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal clutch
Assignee: RICHARD V FABIAN
•
Filing: 1946-06-10
•
Granted: 1949-12-13
•
Expires: 1966-06-10
Abstract
No abstract record available.
Inventors
- 👤 Austin E Elmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:02
CPC Classifications
F; F16; F16D; F16D43/00; F16D43/02; F16D43/04; F16D43/06; F16D43/08; F16D43/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US266529A
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US1387384A
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US1678638A
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US1777354A
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US1805692A
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US1922931A
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US1859334A
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US2056050A
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US2260796A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-12 | 1953-06-13 | 1953-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-12 | 1957-06-13 | 1957-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-12 | 1961-06-13 | 1961-12-13 | $7700.00 | Window Closed / Lapsed |