Patent US2585486A successfully refreshed from Google Patents.
US2585486A
Expired / Lapsed
US
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Impact type clutch
Assignee: Independent Pneumatic Tool Co
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Filing: 1949-03-17
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Granted: 1952-02-12
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Expires: 1969-03-17
Abstract
No abstract record available.
Inventors
- 👤 Walter G Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:01
CPC Classifications
F; F16; F16D; F16D7/00; F16D7/04; F16D7/06; F16D7/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1945361A
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US2198921A
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US2264727A
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US2285639A
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US2339530A
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US2339531A
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US2425793A
Cited
US2533703A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |