US2666449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve means for controlling two independent sources of pressurized fluid
Assignee: Bendix Aviation Corp
•
Filing: 1949-03-28
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Granted: 1954-01-19
•
Expires: 1969-03-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Walter D Teague
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:42
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/44; F02K9/56; F02K9/58; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86928; Y10T137/87016; Y10T137/8704; Y10T137/87153; Y10T137/87161
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US791811A
Cited
US984440A
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US1122008A
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US2119084A
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US2285686A
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US2402363A
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US2463888A
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US2409561A
Cited
US2553401A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-18 | 1957-07-20 | 1958-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-18 | 1961-07-20 | 1962-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-18 | 1965-07-20 | 1966-01-19 | $7700.00 | Window Closed / Lapsed |