Patent US2525915A successfully refreshed from Google Patents.
US2525915A
Expired / Lapsed
US
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Hand or power driving mechanism
Assignee: Cutler Hammer Inc
•
Filing: 1946-03-18
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Granted: 1950-10-17
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Expires: 1966-03-18
Abstract
No abstract record available.
Inventors
- 👤 Clarence W Kuhn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:06
CPC Classifications
E; E05; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/632; E05F15/635; B; B63; B63B; B63B19/00; E05Y; E05Y2201/00; E05Y2201/20; E05Y2201/214; E05Y2201/216; E05Y2201/218; E05Y2201/23; E05Y2201/246; E05Y2201/40; E05Y2201/46; E05Y2201/462; E05Y2201/60; E05Y2201/622; E05Y2201/71; E05Y2201/722; E05Y2900/00; E05Y2900/50; E05Y2900/514; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19614
Claims Analysis
Total Claims: 0
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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) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |