Patent US3523599A successfully refreshed from Google Patents.
US3523599A
Expired / Lapsed
US
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Linear actuator with torque control
Assignee: King Of Prussia Research & Dev
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Filing: 1969-07-15
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Granted: 1970-08-11
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Expires: 1989-07-15
Abstract
No abstract record available.
Inventors
- 👤 Walter J Denkowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:26
CPC Classifications
B; B66; B66F; B66F3/00; B66F3/08; B66F3/18; F; F16; F16H; F16H25/00; F16H25/18; F16H25/20; F16H25/2021; H; H01; H01H; H01H35/00; H01H35/006; F16H2025/2062; F16H2025/209; F16H25/2015; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19828
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1479178A
Cited
US2317490A
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US2407537A
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US2493591A
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US2484616A
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US2683848A
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US2945925A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |