Patent US2646025A successfully refreshed from Google Patents.
US2646025A
Expired / Lapsed
US
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By-pass valve for hydraulic motors
Assignee: Bendix Aviation Corp
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Filing: 1951-02-07
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Granted: 1953-07-21
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Expires: 1971-02-07
Abstract
No abstract record available.
Inventors
- 👤 Clinton E Deardorff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:06
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/021; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2579; Y10T137/8593; Y10T137/86919; Y10T137/87917; Y10T137/88054
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2267284A
Cited
US2367682A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-20 | 1957-01-19 | 1957-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-20 | 1961-01-19 | 1961-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-20 | 1965-01-19 | 1965-07-21 | $7700.00 | Window Closed / Lapsed |