Patent US2952176A successfully refreshed from Google Patents.
US2952176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multistage predetermined torque release wrench
Assignee: TORCONTROL Co
•
Filing: 1958-03-10
•
Granted: 1960-09-13
•
Expires: 1978-03-10
Abstract
No abstract record available.
Inventors
- 👤 Edward W Mitchel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:23
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/14; B25B23/145; B25B21/00; B25B21/004; B25B21/005
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1812816A
Cited
US2616323A
Cited
US2691314A
Cited
US2627770A
Cited
US2702489A
Cited
US2720803A
Cited
US2796789A
Cited
US2833321A
Cited
US2836090A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-13 | 1964-03-14 | 1964-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-13 | 1968-03-14 | 1968-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-13 | 1972-03-14 | 1972-09-13 | $7700.00 | Window Closed / Lapsed |