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Patent US3415265A successfully refreshed from Google Patents.
US3415265A
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Directional control valve with priority flow divider
Assignee: Parker Hannifin Corp
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Filing: 1966-03-03
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Granted: 1968-12-10
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Expires: 1986-03-03
Abstract
No abstract record available.
Inventors
- 👤 William T Cleminshaw
- 👤 Phillip E Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:30
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/04; F15B13/0401; F15B13/0402; F15B13/0403; F15B13/0416; F15B13/0417; F15B13/0418; F15B13/06; F15B13/08; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2579; Y10T137/2589; Y10T137/8593; Y10T137/87169; Y10T137/87177; Y10T137/87185
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3186424A
Cited
US3200841A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |