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US3467126A
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Hydraulic load compensating directional control valve
Assignee: HYDRANAMIC SYSTEMS CORP
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Filing: 1966-03-21
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Granted: 1969-09-16
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Expires: 1986-03-21
Abstract
No abstract record available.
Inventors
- 👤 Doyle R Ballard
- 👤 Guy R Coe Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:40
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/02; F15B11/04; F15B11/05; F15B11/055; E; E02; E02F; E02F9/00; E02F9/20; E02F9/22; E02F9/2221; E02F9/2225; F15B2211/00; F15B2211/30; F15B2211/305; F15B2211/30525; F15B2211/31; F15B2211/3122; F15B2211/3127; F15B2211/3133; F15B2211/50; F15B2211/505; F15B2211/50509; F15B2211/50536; F15B2211/50563; F15B2211/50572; F15B2211/50581; F15B2211/5059; F15B2211/515; F15B2211/5153; F15B2211/5157; F15B2211/52; F15B2211/528; F15B2211/56; F15B2211/57; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/2622; Y10T137/2625; Y10T137/263; Y10T137/8593; Y10T137/87169; Y10T137/87177
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |