US2836090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure operated torque wrench
Assignee: Individual
•
Filing: 1957-02-21
•
Granted: 1958-05-27
•
Expires: 1977-02-21
Abstract
No abstract record available.
Inventors
- 👤 Frank R Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:32
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/14; B25B23/142; B25B23/1422; B25B23/1427; B25B21/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1808959A
Cited
FR897420A
Cited
US2398392A
Cited
US2560716A
Cited
US2594964A
Cited
US2760393A
Cited
US2786375A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |