US2470897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hinged supported motor wrench
Assignee: Individual
•
Filing: 1946-04-05
•
Granted: 1949-05-24
•
Expires: 1966-04-05
Abstract
No abstract record available.
Inventors
- 👤 Floyd E Niederhiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:25
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/24; B23B31/28; Y; Y10; Y10T; Y10T279/00; Y10T279/27
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1449828A
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US1695493A
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US1763552A
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US1874888A
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US2180488A
Cited
GB472015A
Cited
US2219851A
Cited
US2249240A
Cited
US2358049A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-23 | 1952-11-22 | 1953-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-23 | 1956-11-22 | 1957-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-23 | 1960-11-22 | 1961-05-24 | $7700.00 | Window Closed / Lapsed |