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Patent US2689030A successfully refreshed from Google Patents.
US2689030A
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Actuator mechanism for power couplers
Assignee: CLYDE J SMITH
•
Filing: 1951-01-04
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Granted: 1954-09-14
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Expires: 1971-01-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:42
CPC Classifications
B; B60; B60T; B60T11/00; B60T11/10; B60T11/103; F; F16; F16H; F16H47/00; F16H47/06; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19149; Y10T74/19158
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) | 1957-09-13 | 1958-03-15 | 1958-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-13 | 1962-03-15 | 1962-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-13 | 1966-03-15 | 1966-09-14 | $7700.00 | Window Closed / Lapsed |