Patent US1670547A successfully refreshed from Google Patents.
US1670547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball-socket ratchet wrench
Assignee: Individual
•
Filing: 1925-11-03
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Granted: 1928-05-22
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Expires: 1945-11-03
Abstract
No abstract record available.
Inventors
- 👤 Stanley C North
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:38
CPC Classifications
B; B25; B25G; B25G1/00; B25G1/06; B25G1/063; B25B; B25B13/00; B25B13/46; B25B13/461; B25B13/462; B25B13/463; B25B23/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1931-05-22 | 1931-11-21 | 1932-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-05-22 | 1935-11-21 | 1936-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-05-22 | 1939-11-21 | 1940-05-22 | $7700.00 | Window Closed / Lapsed |