US2786378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque tool and release mechanism
Assignee: Individual
•
Filing: 1954-08-31
•
Granted: 1957-03-26
•
Expires: 1974-08-31
Abstract
No abstract record available.
Inventors
- 👤 Edward D Ethington
- 👤 Paul J Ethington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:14
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/14; B25B23/142; B25B23/1422; B25B23/1427
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732747A
Cited
US1847640A
Cited
DE717570C
Cited
US2300652A
Cited
US2365486A
Cited
US2400205A
Cited
US2686446A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-25 | 1960-09-24 | 1961-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-25 | 1964-09-24 | 1965-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-25 | 1968-09-24 | 1969-03-26 | $7700.00 | Window Closed / Lapsed |