US2778344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic powered linear actuator
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1953-11-06
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Granted: 1957-01-22
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Expires: 1973-11-06
Abstract
No abstract record available.
Inventors
- 👤 William A Compton
- 👤 James W Johnson
- 👤 Robert A Paetz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:29
CPC Classifications
F; F01; F01C; F01C13/00; F15; F15B; F15B15/00; F15B15/02; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18712; Y10T74/1872
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1077862A
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US2243656A
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US2403924A
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US2352140A
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US2398841A
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US2479794A
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US2590251A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-22 | 1960-07-23 | 1961-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-22 | 1964-07-23 | 1965-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-22 | 1968-07-23 | 1969-01-22 | $7700.00 | Window Closed / Lapsed |