US3002597A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual air tube clutch for reversible drives
Assignee: Individual
•
Filing: 1957-11-04
•
Granted: 1961-10-03
•
Expires: 1977-11-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles P Warman
- 👤 Jack W Moss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:35
CPC Classifications
F; F16; F16D; F16D21/00; F16D21/02; F16D21/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR938501A
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US1577004A
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US2107954A
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US2348025A
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US2589291A
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US2606637A
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US2747711A
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US2759583A
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US2774453A
Cited
US2856044A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-02 | 1965-04-03 | 1965-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-02 | 1969-04-03 | 1969-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-02 | 1973-04-03 | 1973-10-03 | $7700.00 | Window Closed / Lapsed |