US2566683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw-holding screw driver
Assignee: Individual
•
Filing: 1946-12-13
•
Granted: 1951-09-04
•
Expires: 1966-12-13
Abstract
No abstract record available.
Inventors
- 👤 William F Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:07
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/02; B25B23/08; B25B23/10; B25B23/105; B25B23/106
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1063304A
Cited
US1499491A
Cited
GB224028A
Cited
US1536758A
Cited
US1781470A
Cited
US2161095A
Cited
US2404427A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-03 | 1955-03-05 | 1955-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-03 | 1959-03-05 | 1959-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-03 | 1963-03-05 | 1963-09-04 | $7700.00 | Window Closed / Lapsed |