Patent US2534007A successfully refreshed from Google Patents.
US2534007A
Expired / Lapsed
US
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Switch operating mechanism with positive kickoff
Assignee: Arrow Hart and Hegeman Electric Co
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Filing: 1948-11-04
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Granted: 1950-12-12
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Expires: 1968-11-04
Abstract
No abstract record available.
Inventors
- 👤 Walter L Dietrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:54
CPC Classifications
H; H01; H01H; H01H19/00; H01H19/64; H01H3/00; H01H3/001; Y; Y10; Y10T; Y10T24/00; Y10T24/47; Y10T24/4718; Y10T74/00; Y10T74/18; Y10T74/18856; Y10T74/18864
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) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |