US2963930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extensible torque bar
Assignee: FUTURE TOOL Co
•
Filing: 1958-12-01
•
Granted: 1960-12-13
•
Expires: 1978-12-01
Abstract
No abstract record available.
Inventors
- 👤 Darrell S Clothier
- 👤 Ray L Troudt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:09
CPC Classifications
B; B25; B25G; B25G1/00; B25G1/04; B25G1/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR506879A
Cited
US1753441A
Cited
US2438633A
Cited
US2592978A
Cited
US2725086A
Cited
US2869410A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |