US2803979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Predetermined torque release wrench
Assignee: James R Kearney Corp
•
Filing: 1954-10-04
•
Granted: 1957-08-27
•
Expires: 1974-10-04
Abstract
No abstract record available.
Inventors
- 👤 Alfred R Landis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:42
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)
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US2300652A
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US2365486A
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GB574346A
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FR1028544A
Cited
US2667800A
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US2680982A
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US2679777A
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FR1063803A
Cited
US2686446A
Cited
US2662436A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-26 | 1961-02-25 | 1961-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-26 | 1965-02-25 | 1965-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-26 | 1969-02-25 | 1969-08-27 | $7700.00 | Window Closed / Lapsed |