US2552747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal self-energizing clutch
Assignee: J A STRIMPLE Co Inc
•
Filing: 1946-12-18
•
Granted: 1951-05-15
•
Expires: 1966-12-18
Abstract
No abstract record available.
Inventors
- 👤 John A Strimple
- 👤 Louis M Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:46
CPC Classifications
F; F16; F16D; F16D43/00; F16D43/02; F16D43/04; F16D43/14; F16D43/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1303734A
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US1032524A
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US1077728A
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US1391798A
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GB189051A
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US1868245A
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US1841612A
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US2158544A
Cited
FR737802A
Cited
US2087968A
Cited
US2343312A
Cited
US2375909A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-14 | 1954-11-13 | 1955-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-14 | 1958-11-13 | 1959-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-14 | 1962-11-13 | 1963-05-15 | $7700.00 | Window Closed / Lapsed |