Patent US3065599A successfully refreshed from Google Patents.
US3065599A
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US
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Control pressure amplifier and system
Assignee: North American Aviation Corp
•
Filing: 1959-01-26
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Granted: 1962-11-27
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Expires: 1979-01-26
Abstract
No abstract record available.
Inventors
- 👤 Joseph K Dew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:05
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/80; F02K9/805; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2703; Y10T137/8158; Y10T137/8326
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB713322A
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US2638738A
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GB709300A
Cited
US2861419A
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US2737019A
Cited
US2864393A
Cited
US2934898A
Cited
US2776806A
Cited
US2829490A
Cited
US2873756A
Cited
US2920446A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |