US2664126A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ratchet spiral screw driver
Assignee: Greenlee Brothers and Co
•
Filing: 1950-05-15
•
Granted: 1953-12-29
•
Expires: 1970-05-15
Abstract
No abstract record available.
Inventors
- 👤 Judson H Mansfield
- 👤 Edwin C Swanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:34
CPC Classifications
B; B23; B23B; B23B45/00; B23B45/06; B25; B25B; B25B13/00; B25B13/46; B25B13/461; B25B13/462; B25B13/463; B25B15/00; B25B15/02; B25B15/04; B25B15/06; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1527
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1956-12-28 | 1957-06-29 | 1957-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-28 | 1961-06-29 | 1961-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-28 | 1965-06-29 | 1965-12-29 | $7700.00 | Window Closed / Lapsed |