US2631600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diaphragm operated pressure regulating valve
Assignee: Bendix Aviation Corp
•
Filing: 1947-11-24
•
Granted: 1953-03-17
•
Expires: 1967-11-24
Abstract
No abstract record available.
Inventors
- 👤 Robert M Flanagan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:54
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/18; Y; Y10; Y10T; Y10T137/00; Y10T137/5109; Y10T137/7722; Y10T137/7748; Y10T137/7749; Y10T137/7781; Y10T137/7793; Y10T137/7822; Y10T137/7835
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US572580A
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US1290030A
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US1177204A
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US1170050A
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US1266340A
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GB122398A
Cited
US1470057A
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US1558238A
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US1926373A
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US2074268A
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US2075917A
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US2217834A
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US2311110A
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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) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |