US2737167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure controlling valve system
Assignee: Bendix Aviation Corp
•
Filing: 1952-10-30
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Granted: 1956-03-06
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Expires: 1972-10-30
Abstract
No abstract record available.
Inventors
- 👤 John W Dickey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:17
CPC Classifications
F; F02; F02M; F02M37/00; F02M37/0011; F02M37/0023; F02M37/0029; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7822; Y10T137/7823; Y10T137/7825
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2297129A
Cited
US2136959A
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US2228292A
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US2341257A
Cited
US2315881A
Cited
US2587728A
Cited
US2633146A
Cited
US2611592A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-06 | 1959-09-05 | 1960-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-06 | 1963-09-05 | 1964-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-06 | 1967-09-05 | 1968-03-06 | $7700.00 | Window Closed / Lapsed |