US2674892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power take-off mechanism
Assignee: Rockwell Spring and Axle Co
•
Filing: 1947-08-07
•
Granted: 1954-04-13
•
Expires: 1967-08-07
Abstract
No abstract record available.
Inventors
- 👤 Beverly W Keese
- 👤 Charles A Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:01
CPC Classifications
F; F16; F16D; F16D47/00; F16D47/02; F16H; F16H37/00; F16H2700/00; F16H2700/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1506400A
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US1629707A
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US2290835A
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US2349880A
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US2331781A
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US2513333A
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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) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |