US2690767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selector valve mechanism
Assignee: Electro Hydraulics Ltd
•
Filing: 1949-08-23
•
Granted: 1954-10-05
•
Expires: 1969-08-23
Abstract
No abstract record available.
Inventors
- 👤 Sage James Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:43
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/04; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87056
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US726369A
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US863522A
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US1478670A
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US1595458A
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US2157240A
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US2172981A
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US2208421A
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US2231959A
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US2266365A
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US2395633A
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US2323947A
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US2396643A
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US2409765A
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US2526361A
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US2477669A
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US2485349A
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US2608214A
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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) | 1957-10-04 | 1958-04-05 | 1958-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-04 | 1962-04-05 | 1962-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-04 | 1966-04-05 | 1966-10-05 | $7700.00 | Window Closed / Lapsed |