US2905291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch assembly
Assignee: United States Steel Corp
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Filing: 1958-05-07
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Granted: 1959-09-22
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Expires: 1978-05-07
Abstract
No abstract record available.
Inventors
- 👤 Alfred E Olson
- 👤 Wilmer C Wrhen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:56
CPC Classifications
F; F16; F16D; F16D67/00; F16D67/02; F16D67/04; F16D25/00; F16D25/04; F16D25/042; F16D25/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |