US2474377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ratchet drive for tools
Assignee: Individual
•
Filing: 1946-08-03
•
Granted: 1949-06-28
•
Expires: 1966-08-03
Abstract
No abstract record available.
Inventors
- 👤 George G Shurtleff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:51
CPC Classifications
B; B25; B25G; B25G1/00; B25G1/02; B25G1/025; B25B; B25B13/00; B25B13/46; B25B13/461; B25B15/00; B25B15/02; B25B15/04; B25B15/06; Y; Y10; Y10S; Y10S81/00; Y10S81/02; Y10T; Y10T408/00; Y10T408/63; Y10T408/637; Y10T408/65; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1527; Y10T74/18; Y10T74/18056
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-27 | 1952-12-27 | 1953-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-27 | 1956-12-27 | 1957-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-27 | 1960-12-27 | 1961-06-28 | $7700.00 | Window Closed / Lapsed |