US2762248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recoil reducing device for magnetic fluid variable torque wrench
Assignee: Individual
•
Filing: 1954-04-02
•
Granted: 1956-09-11
•
Expires: 1974-04-02
Abstract
No abstract record available.
Inventors
- 👤 Gorman R Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:42
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/14; B25B23/147; F; F16; F16D; F16D37/00; F16D37/02; F16D2037/007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2687054A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-11 | 1960-03-12 | 1960-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-11 | 1964-03-12 | 1964-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-11 | 1968-03-12 | 1968-09-11 | $7700.00 | Window Closed / Lapsed |