Patent US2809736A successfully refreshed from Google Patents.
US2809736A
Expired / Lapsed
US
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Mechanical actuator
Assignee: Individual
•
Filing: 1953-04-04
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Granted: 1957-10-15
•
Expires: 1973-04-04
Abstract
No abstract record available.
Inventors
- 👤 Vaino A Hoover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:18
CPC Classifications
G; G05; G05G; G05G23/00; B; B64; B64C; B64C13/00; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/186
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2481028A
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US2531109A
Cited
US2500691A
Cited
US2410695A
Cited
US2418351A
Cited
US2569542A
Cited
US2590251A
Cited
US2530930A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-14 | 1961-04-15 | 1961-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-14 | 1965-04-15 | 1965-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-14 | 1969-04-15 | 1969-10-15 | $7700.00 | Window Closed / Lapsed |