Patent US3327475A successfully refreshed from Google Patents.
US3327475A
Expired / Lapsed
US
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Control system for hydrostatic transmission
Assignee: Bendix Corp
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Filing: 1966-03-03
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Granted: 1967-06-27
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Expires: 1986-03-03
Abstract
No abstract record available.
Inventors
- 👤 Richard E Clark
- 👤 Richard L Carmon
- 👤 David B Puryear
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:48
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/42; F16H61/437
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
IN A HYDROSTATIC TRANSMISSION COMPRISING: A VARIABLE OUTPUT PUMP HAVING OUTPUT CONTROL MEANS, FLUID ACTUATED MEANS OPERATIVELY CONNECTED TO SAID CONTROL MEANS FOR MOVING SAID CONTROL MEANS THEREBY SETTING THE OUTPUT OF SAID PUMP, VALVE MEANS, CONDUIT MEANS CONNECTING SAID VALVE MEANS WITH SAID FLUID ACTUATED MEANS, SAID VALVE MEANS IN OPEN POSITION COMMUNICATING SAID CONDUIT MEANS WITH A LOWER PRESSURE SOURCE AND CUTTING OFF SAID CONDUIT MEANS FROM SAID LOWER PRESSURE SOURCE WHEN IN
Claim 2
Dependent Claim
75 words
IN A HYDROSTATIC TRANSMISSION COMPRISING: A VARIABLE OUTPUT PUMP HAVING OUTPUT CONTROL MEANS, FLUID ACTUATED MEANS OPERATIVELY CONNECTED TO SAID CONTROL MEANS FOR MOVING SAID CONTROL MEANS THEREBY SETTING THE OUTPUT OF SAID PUMP, VALVE MEANS, CONDUIT MEANS CONNECTING SAID VALVE MEANS WITH SAID FLUID ACTUATED MEANS, SAID VALVE MEANS IN OPEN POSITION COMMUNICATING SAID CONDUIT MEANS WITH A LOWER PRESSURE SOURCE AND CUTTING OFF SAID CONDUIT MEANS FROM SAID LOWER PRESSURE SOURCE WHEN IN
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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) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |