Patent US3284142A successfully refreshed from Google Patents.
US3284142A
Expired / Lapsed
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Control valve
Assignee: Echlin Inc
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Filing: 1966-03-28
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Granted: 1966-11-08
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Expires: 1986-03-28
Abstract
No abstract record available.
Inventors
- 👤 Richard C Bueler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:13
CPC Classifications
B; B60; B60T; 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
100 words
A CONTROL VALVE COMPRISING A HOUSING, AND APPLICATION MEANS MOVABLE IN SAID HOUSING AND DEFINING WITH SAID HOUSING A PRESSURE FLUID FLOW PASSAGE THERETHROUGH SAID APPLICATION MEANS BEING MOVABLE IN RESPONSE TO AN APPLIED FORCE TOWARD A POSITION IN SAID FLOW PASSAGE ESTABLISHING PRESSURE FLUID FLOW THERETHROUGH, SAID APPLICATION MEANS INCLUDING A PAIR OF OPPOSED FLUID PRESSURE CHAMBERS, AND OTHER MEANS MOVABLE BETWEEN SAID CHAMBERS, SAID OTHER MEANS BEING AUTOMATICALLY MOVABLE IN RESPONSE TO A RATIO BETWEEN THE FLUID PRESSURS IN SAID CHAMBERS LESS THAN A PREDETERMINED VALVE TOWARD A POSITION IN SAID FLOW PASSAGE ESTABLISING PRESSURE FLUID FLOW THERETHROUGH.
Claim 2
Dependent Claim
100 words
A CONTROL VALVE COMPRISING A HOUSING, AND APPLICATION MEANS MOVABLE IN SAID HOUSING AND DEFINING WITH SAID HOUSING A PRESSURE FLUID FLOW PASSAGE THERETHROUGH SAID APPLICATION MEANS BEING MOVABLE IN RESPONSE TO AN APPLIED FORCE TOWARD A POSITION IN SAID FLOW PASSAGE ESTABLISHING PRESSURE FLUID FLOW THERETHROUGH, SAID APPLICATION MEANS INCLUDING A PAIR OF OPPOSED FLUID PRESSURE CHAMBERS, AND OTHER MEANS MOVABLE BETWEEN SAID CHAMBERS, SAID OTHER MEANS BEING AUTOMATICALLY MOVABLE IN RESPONSE TO A RATIO BETWEEN THE FLUID PRESSURS IN SAID CHAMBERS LESS THAN A PREDETERMINED VALVE TOWARD A POSITION IN SAID FLOW PASSAGE ESTABLISING PRESSURE FLUID FLOW THERETHROUGH.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |