US2885173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic pressure operated valve
Assignee: Bendix Aviation Corp
•
Filing: 1954-04-22
•
Granted: 1959-05-05
•
Expires: 1974-04-22
Abstract
No abstract record available.
Inventors
- 👤 Herbert O Dobrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:44
CPC Classifications
B; B64; B64D; B64D13/00; B64D13/02; A; A62; A62B; A62B9/00; A62B9/02; F; F16; F16K; F16K31/00; F16K31/12; F16K31/126; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7796; Y10T137/7835; Y10T137/7836
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US762767A
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US999329A
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US1120713A
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CH162542A
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US1956264A
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US2111230A
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US2209216A
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US2158436A
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US2335935A
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US2631832A
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US2663500A
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FR1086776A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |