Patent US2481223A successfully refreshed from Google Patents.
US2481223A
Expired / Lapsed
US
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Hoist and tow mechanism
Assignee: Individual
•
Filing: 1946-06-14
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Granted: 1949-09-06
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Expires: 1966-06-14
Abstract
No abstract record available.
Inventors
- 👤 Bennett M Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:18
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/12; B60P3/125; B62; B62D; B62D53/00; B62D53/04; B62D53/08; B62D53/0807; B62D53/0828
Claims Analysis
Total Claims: 0
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US2032654A
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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) | 1952-09-05 | 1953-03-07 | 1953-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-05 | 1957-03-07 | 1957-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-05 | 1961-03-07 | 1961-09-06 | $7700.00 | Window Closed / Lapsed |