Patent US4602662A successfully refreshed from Google Patents.
US3224342A
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US
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Application valve
Assignee: Echlin Inc
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Filing: 1964-01-17
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Granted: 1965-12-21
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Expires: 1984-01-17
Abstract
No abstract record available.
Inventors
- 👤 Richard C Bueler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:21
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/24; B60T13/26; B60T13/36; B60T15/00; B60T15/02; B60T15/04; B60T15/043; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86919
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
IN A FLUID PRESSURE SYSTEM COMPRISING A FLUID PRESSURE SOURCE AND A FLUID PRESSURE RESPONSIVE MOTOR, AN APPLICATION VALVE FOR CONTROLLING THE APPLICATION OF FLUID PRESSURE FROM SAID SOURCE TO SAID MOTOR INCLUDING MANUALLY CONTROLLED APPLICATION MEANS, SAID APPLICATION MEANS BEING MOVABLE IN RESPONSE TO A MANUALLY APPLIED FORCE THEREON TO EFFECT THE APPLICATION OF FLUID PRESSURE FROM SAID SOURCE TO SAID MOTOR, A PAIR OF REACTION AREAS ON SAID APPLICATION MEANS AND RESPONSIVE TO APPLIED FLUID PRESSURE ACTING THEREON TO OPPOSE THE MANUALLY APPLIED FORCE, AND MEANS FOR SELECTIVELY SUBJECTING ONE OF SAID REACTION AREAS TO ATMOSPHERE, SAID APPLICATION MEANS BEING MOVABLE IN RESPONSE TO THE MANUALLY APPLIED FORCE WHEN SAID ONE REACTION AREA IS SUBJECTED TO ATMOSPHERE TO EFFECT THE APPLICATION OF A PROPORTIONALLY INCREASED FLUID PRESSURE TO SAID MOTOR ACTING ON ONLY THE OTHER OF SAID REACTION AREAS IN OPPOSTION TO THE MANUALLY APPLIED FORCE.
Claim 2
Dependent Claim
148 words
IN A FLUID PRESSURE SYSTEM COMPRISING A FLUID PRESSURE SOURCE AND A FLUID PRESSURE RESPONSIVE MOTOR, AN APPLICATION VALVE FOR CONTROLLING THE APPLICATION OF FLUID PRESSURE FROM SAID SOURCE TO SAID MOTOR INCLUDING MANUALLY CONTROLLED APPLICATION MEANS, SAID APPLICATION MEANS BEING MOVABLE IN RESPONSE TO A MANUALLY APPLIED FORCE THEREON TO EFFECT THE APPLICATION OF FLUID PRESSURE FROM SAID SOURCE TO SAID MOTOR, A PAIR OF REACTION AREAS ON SAID APPLICATION MEANS AND RESPONSIVE TO APPLIED FLUID PRESSURE ACTING THEREON TO OPPOSE THE MANUALLY APPLIED FORCE, AND MEANS FOR SELECTIVELY SUBJECTING ONE OF SAID REACTION AREAS TO ATMOSPHERE, SAID APPLICATION MEANS BEING MOVABLE IN RESPONSE TO THE MANUALLY APPLIED FORCE WHEN SAID ONE REACTION AREA IS SUBJECTED TO ATMOSPHERE TO EFFECT THE APPLICATION OF A PROPORTIONALLY INCREASED FLUID PRESSURE TO SAID MOTOR ACTING ON ONLY THE OTHER OF SAID REACTION AREAS IN OPPOSTION TO THE MANUALLY APPLIED FORCE.
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) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |