US2715955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversible ratchet device for wrenches
Assignee: WRIGHT TOOL AND FORGE Co
•
Filing: 1950-05-13
•
Granted: 1955-08-23
•
Expires: 1970-05-13
Abstract
No abstract record available.
Inventors
- 👤 Arthur P Stone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:31
CPC Classifications
B; B25; B25B; B25B13/00; B25B13/46; B25B13/461; B25B13/462; B25B13/465
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US192018A
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US1424045A
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US2154649A
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US2202402A
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US2188846A
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US2407558A
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US2507889A
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US2508568A
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US2620051A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-22 | 1959-02-21 | 1959-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-22 | 1963-02-21 | 1963-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-22 | 1967-02-21 | 1967-08-23 | $7700.00 | Window Closed / Lapsed |