US2461401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hoisting device
Assignee: Individual
•
Filing: 1945-06-29
•
Granted: 1949-02-08
•
Expires: 1965-06-29
Abstract
No abstract record available.
Inventors
- 👤 Trombley Roy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:05
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/54; B60P1/5404; B60P1/5423; B60P1/5433; B66; B66C; B66C23/00; B66C23/18; B66C23/36; B66C2700/00; B66C2700/03; B66C2700/0321; B66C2700/0357; B66C2700/0364
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US481699A
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US920770A
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US894916A
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US1023438A
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US1563650A
Cited
US1870689A
Cited
US2107500A
Cited
US2322636A
Cited
US2301555A
Cited
US2382299A
Cited
US2395201A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-08 | 1952-08-09 | 1953-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-08 | 1956-08-09 | 1957-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-08 | 1960-08-09 | 1961-02-08 | $7700.00 | Window Closed / Lapsed |