US2944400A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-contained power actuator
Assignee: Electrol Inc
•
Filing: 1956-03-08
•
Granted: 1960-07-12
•
Expires: 1976-03-08
Abstract
No abstract record available.
Inventors
- 👤 Benjamin N Ashton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:45
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1269338A
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US1948951A
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GB463568A
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US2247141A
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US2288076A
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US2410978A
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US2457467A
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US2586682A
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US2559125A
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US2640465A
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US2640426A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |