Patent US2636581A successfully refreshed from Google Patents.
US2636581A
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US
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Clutch and brake device
Assignee: MINSTER MACHINE CO
•
Filing: 1948-10-02
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Granted: 1953-04-28
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Expires: 1968-10-02
Abstract
No abstract record available.
Inventors
- 👤 John W Bitler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:16
CPC Classifications
F; F16; F16D; F16D55/00; F16D55/24; F16D55/26; F16D55/28; F16D55/30; B; B30; B30B; B30B15/00; B30B15/14; B30B15/142; F16D25/00; F16D25/06; F16D25/062; F16D25/063; F16D25/0635; F16D25/0638; F16D67/00; F16D67/02; F16D67/04; F16D2300/00; F16D2300/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2065820A
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US2095094A
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US2285711A
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US2198767A
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US2313187A
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US2226856A
Cited
US2331156A
Cited
US2371358A
Cited
US2321171A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-27 | 1956-10-27 | 1957-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-27 | 1960-10-27 | 1961-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-27 | 1964-10-27 | 1965-04-28 | $7700.00 | Window Closed / Lapsed |