US3152844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control valve
Assignee: Studebaker Worthington Inc
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Filing: 1963-10-25
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Granted: 1964-10-13
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Expires: 1983-10-25
Abstract
No abstract record available.
Inventors
- 👤 Richard C Bueler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:31
CPC Classifications
B; B60; B60T; B60T15/00; B60T15/02; B60T15/04; B60T15/043; B60T15/045; B60T15/046
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
213 words
IN A FLUID PRESSURE SYSTEM HAVING A PAIR OF FLUID PRESSURE SOURCES AND A PAIR OF FLUID PRESSURE RESPONSIVE MOTORS, CONTROL MEANS FOR CONTROLLING THE APPLICATION OF FLUID PRESSURE FROM SAID SOURCES TO SAID MOTORS INCLUDING A HOUSING, MEANS WITHIN SAID HOUSING PROVIDING A PAIR OF PRESSURE FLUID FLOW PASSAGES FOR RESPECTIVE CONNECTION BETWEEN SAID SOURCES AND MOTORS, A PAIR OF APPLICATION MEANS FOR CONTROLLING SAID FLOW PASSAGES, ONE OF SAID APPLICATION MEANS BEING MOVABLE IN RESPONSE TO AN APPLIED FORCE THEREON TO AN APPLYING POSITION TO EFFECT THE APPLICATION OF FLUID PRESSURE THROUGH ONE OF SAID FLOW PASSAGES, THE OTHER OF SAID APPLICATION MEANS DEFINING WITH SAID HOUSING AN EXPANSIBLE CHAMBER, A RESILIENT CONNECTION BETWEEN SAID APPLICATION MEANS, SAID RESILIENT CONNECTION BEING MOVABLE WITH SAID ONE APPLICATION MEANS UPON MOVEMENT THEREOF TO THE APPLYING POSITION TO CONCERTLY MOVE SAID OTHER APPLICATION MEANS TO AN ADVANCED POSITION AND APPLY A PRE-LOADING FORCE THEREON, AND OTHER MEANS WITHIN SAID HOUSING PROVIDING PASSAGE FOR THE APPLIED FLUID PRESSURE FROM SAID ONE FLOW PASSAGE TO SAID CHAMBER, SAID OTHER APPLICATION MEANS BEING MOVABLE FROM ADVANCED POSITION IN RESPONSE TO FLUID PRESSURE IN SAID CHAMBER AND THE PRE-LOAD FORCE TO AN APPLYING POSITION TO EFFECT THE APPLICATION OF FLUID PRESSURE THROUGH THE OTHER OF SAID FLOW PASSAGES.
Claim 2
Dependent Claim
213 words
IN A FLUID PRESSURE SYSTEM HAVING A PAIR OF FLUID PRESSURE SOURCES AND A PAIR OF FLUID PRESSURE RESPONSIVE MOTORS, CONTROL MEANS FOR CONTROLLING THE APPLICATION OF FLUID PRESSURE FROM SAID SOURCES TO SAID MOTORS INCLUDING A HOUSING, MEANS WITHIN SAID HOUSING PROVIDING A PAIR OF PRESSURE FLUID FLOW PASSAGES FOR RESPECTIVE CONNECTION BETWEEN SAID SOURCES AND MOTORS, A PAIR OF APPLICATION MEANS FOR CONTROLLING SAID FLOW PASSAGES, ONE OF SAID APPLICATION MEANS BEING MOVABLE IN RESPONSE TO AN APPLIED FORCE THEREON TO AN APPLYING POSITION TO EFFECT THE APPLICATION OF FLUID PRESSURE THROUGH ONE OF SAID FLOW PASSAGES, THE OTHER OF SAID APPLICATION MEANS DEFINING WITH SAID HOUSING AN EXPANSIBLE CHAMBER, A RESILIENT CONNECTION BETWEEN SAID APPLICATION MEANS, SAID RESILIENT CONNECTION BEING MOVABLE WITH SAID ONE APPLICATION MEANS UPON MOVEMENT THEREOF TO THE APPLYING POSITION TO CONCERTLY MOVE SAID OTHER APPLICATION MEANS TO AN ADVANCED POSITION AND APPLY A PRE-LOADING FORCE THEREON, AND OTHER MEANS WITHIN SAID HOUSING PROVIDING PASSAGE FOR THE APPLIED FLUID PRESSURE FROM SAID ONE FLOW PASSAGE TO SAID CHAMBER, SAID OTHER APPLICATION MEANS BEING MOVABLE FROM ADVANCED POSITION IN RESPONSE TO FLUID PRESSURE IN SAID CHAMBER AND THE PRE-LOAD FORCE TO AN APPLYING POSITION TO EFFECT THE APPLICATION OF FLUID PRESSURE THROUGH THE OTHER OF SAID FLOW PASSAGES.
References Cited (Backward Citations)
GB798816A
Cited
DE1132453B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-13 | 1968-04-13 | 1968-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-13 | 1972-04-13 | 1972-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-13 | 1976-04-13 | 1976-10-13 | $7700.00 | Window Closed / Lapsed |