Patent US2575765A successfully refreshed from Google Patents.
US2575765A
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Fluid pressure released clutch
Assignee: The Snow-Nabstedt Gear Corp
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Filing: 1947-04-30
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Granted: 1951-11-20
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Expires: 1967-04-30
Abstract
No abstract record available.
Inventors
- 👤 Arthur T Nabstedt
- 👤 John O Berndtson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:06
CPC Classifications
F; F16; F16D; F16D25/00; F16D25/06; F16D25/062; F16D25/063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR379724A
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US848380A
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US1138099A
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US1270794A
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US1842039A
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US2068579A
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US2060692A
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US2167705A
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US2345410A
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US2388857A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-19 | 1955-05-21 | 1955-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-19 | 1959-05-21 | 1959-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-19 | 1963-05-21 | 1963-11-20 | $7700.00 | Window Closed / Lapsed |