US1902878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ratchet wrench
Assignee: Duro Metal Products Co
•
Filing: 1932-06-16
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Granted: 1933-03-28
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Expires: 1952-06-16
Abstract
No abstract record available.
Inventors
- 👤 Norris F Mcnaught
- 👤 Edward H Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:44
CPC Classifications
B; B25; B25B; B25B13/00; B25B13/46; B25B13/461; B25B13/462; B25B13/463; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/4984; Y10T29/49845; Y10T29/49853; Y10T29/49908; Y10T29/49915; Y10T29/49917; Y10T29/49918; Y10T29/49925; Y10T29/49934
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) | 1936-03-27 | 1936-09-26 | 1937-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-03-27 | 1940-09-26 | 1941-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-03-27 | 1944-09-26 | 1945-03-28 | $7700.00 | Window Closed / Lapsed |