Patent US3011607A successfully refreshed from Google Patents.
US3011607A
Expired / Lapsed
US
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Fluid coupling for accessory drive
Assignee: Schwitzer Corp
•
Filing: 1958-02-17
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Granted: 1961-12-05
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Expires: 1978-02-17
Abstract
No abstract record available.
Inventors
- 👤 Imre A Englander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:02
CPC Classifications
F; F16; F16D; F16D35/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1862802A
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US2079724A
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US2432591A
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US2517955A
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US2706547A
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US2575765A
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US2714946A
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US2738048A
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US2879755A
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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) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |