Patent US2508604A successfully refreshed from Google Patents.
US2508604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ratchet wrench
Assignee: Individual
•
Filing: 1945-03-31
•
Granted: 1950-05-23
•
Expires: 1965-03-31
Abstract
No abstract record available.
Inventors
- 👤 John J Greer
- 👤 Samuel C Greer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:10
CPC Classifications
B; B25; B25B; B25B13/00; B25B13/46; B25B13/461; B25B13/462; B25B13/463
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US556151A
Cited
US572857A
Cited
US749588A
Cited
US1194471A
Cited
GB190918561A
Cited
US1198822A
Cited
US1391636A
Cited
US1621499A
Cited
GB393243A
Cited
US1944171A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-22 | 1953-11-21 | 1954-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-22 | 1957-11-21 | 1958-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-22 | 1961-11-21 | 1962-05-23 | $7700.00 | Window Closed / Lapsed |