US3149643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Relief valve
Assignee: RACINE HYDRAULICS AND MACHINERY Inc
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Filing: 1961-08-14
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Granted: 1964-09-22
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Expires: 1981-08-14
Abstract
No abstract record available.
Inventors
- 👤 Charles O Breitsprecher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:54
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7738; Y10T137/7781; Y10T137/7835
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A RELIEF VALVE COMPRISING: A VALVE BODY HAVING A VALVE CHAMBER WITH OPPOSITE ENDS DEFINING AN INLET AND AN OUTLET, A VALVE SEAT; A VALVE MEMBER MOUNTED IN SAID VALVE CHAMBER, SAID VALVE MEMBER HAVING A VALVE FACE AND BEING MOVABLE IN A PATH BETWEEN A VALVE CLOSED POSITION WITH SAID VALVE FACE SEATED ON SAID VALVE SEAT AND A VALVE OPEN POSITION WITH SAID VALVE FACE SPACED FROM SAID VALVE SEAT IN A DIRECTION TOWARD SAID INLET, SURFACE MEANS ON SAID VALVE MEMBER IN FLUID COMMUNICATION WITH SAID INLET BY PASSAGE MEANS IN THE VALVE MEMBER FOR PROVID-
Claim 2
Dependent Claim
99 words
A RELIEF VALVE COMPRISING: A VALVE BODY HAVING A VALVE CHAMBER WITH OPPOSITE ENDS DEFINING AN INLET AND AN OUTLET, A VALVE SEAT; A VALVE MEMBER MOUNTED IN SAID VALVE CHAMBER, SAID VALVE MEMBER HAVING A VALVE FACE AND BEING MOVABLE IN A PATH BETWEEN A VALVE CLOSED POSITION WITH SAID VALVE FACE SEATED ON SAID VALVE SEAT AND A VALVE OPEN POSITION WITH SAID VALVE FACE SPACED FROM SAID VALVE SEAT IN A DIRECTION TOWARD SAID INLET, SURFACE MEANS ON SAID VALVE MEMBER IN FLUID COMMUNICATION WITH SAID INLET BY PASSAGE MEANS IN THE VALVE MEMBER FOR PROVID-
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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |