Patent US3064627A successfully refreshed from Google Patents.
US3064627A
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US
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Derivative load pressure feedback
Assignee: Bell Aerospace Corp
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Filing: 1959-03-23
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Granted: 1962-11-20
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Expires: 1979-03-23
Abstract
No abstract record available.
Inventors
- 👤 John W Blanton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:12
CPC Classifications
F; F15; F15B; F15B9/00; F15B9/16; F15B9/17; B; B64; B64C; B64C13/00; B64C13/24; F02; F02K; F02K9/00; F02K9/80; F02K9/805
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2909195A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |