Patent US3079946A successfully refreshed from Google Patents.
US3079946A
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Excess pressure valve
Assignee: Gewerkschaft Eisenhutte Westfalia GmbH
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Filing: 1960-02-29
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Granted: 1963-03-05
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Expires: 1980-02-29
Abstract
No abstract record available.
Inventors
- 👤 Rosler Wulff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:57
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/08; F16K17/085; F16K15/00; F16K15/14; F16K15/144; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4245; Y10T137/4273; Y10T137/428; Y10T137/7722; Y10T137/7781; Y10T137/7835; Y10T137/7836
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
AN EXCESS PRESSURE VALVE COMPRISING A HOUSING, MEANS DEFINING A FLUID FLOW CONDUIT THROUGH SAID HOUSING, MEANS DEFINING A CLOSABLE OPENING DISPOSED IN SAID CONDUIT, A CLOSURE MEMBER ADAPTED TO BE MOVED FROM A POSITION IN CLOSING CONTACT TO A POSITION OUT OF CLOSING CONTACT WITH SAID MEANS DEFINING SAID CLOSABLE OPENING, A RESILIENT MEMBRANE DEFINING A PORTION OF THE WALL OF SAID CONDUIT AND BEING ADJUSTABLY ARRANGED ON SAID HOUSING FOR MOVEMENT IN ITS NORMAL PLANE TOWARD AND AWAY FROM SAID MEANS DEFINING A CLOSABLE OPENING, SAID MEMBRANE INCLUDING A PERIPHERAL COLLAR PORTION AND SAID CONDUIT MEANS INCLUDING A CORRESPONDING LIP PORTION, THE INSIDE SURFACE OF SAID COLLAR PORTION SEALINGLY ENGAGING THE OUTSIDE SURFACE OF SAID LIP PORTION FOR PROVIDING THE WALL PORTION DEFINED BY SAID MEMBRANE, SAID MEMBRANE HAVING A PORTION ADAPTED TO BE RESILIENTLY MOVED OUT OF ITS NORMAL PLANE,
Claim 2
Dependent Claim
143 words
AN EXCESS PRESSURE VALVE COMPRISING A HOUSING, MEANS DEFINING A FLUID FLOW CONDUIT THROUGH SAID HOUSING, MEANS DEFINING A CLOSABLE OPENING DISPOSED IN SAID CONDUIT, A CLOSURE MEMBER ADAPTED TO BE MOVED FROM A POSITION IN CLOSING CONTACT TO A POSITION OUT OF CLOSING CONTACT WITH SAID MEANS DEFINING SAID CLOSABLE OPENING, A RESILIENT MEMBRANE DEFINING A PORTION OF THE WALL OF SAID CONDUIT AND BEING ADJUSTABLY ARRANGED ON SAID HOUSING FOR MOVEMENT IN ITS NORMAL PLANE TOWARD AND AWAY FROM SAID MEANS DEFINING A CLOSABLE OPENING, SAID MEMBRANE INCLUDING A PERIPHERAL COLLAR PORTION AND SAID CONDUIT MEANS INCLUDING A CORRESPONDING LIP PORTION, THE INSIDE SURFACE OF SAID COLLAR PORTION SEALINGLY ENGAGING THE OUTSIDE SURFACE OF SAID LIP PORTION FOR PROVIDING THE WALL PORTION DEFINED BY SAID MEMBRANE, SAID MEMBRANE HAVING A PORTION ADAPTED TO BE RESILIENTLY MOVED OUT OF ITS NORMAL PLANE,
References Cited (Backward Citations)
US2704551A
Cited
US1615776A
Cited
US1783646A
Cited
US1838343A
Cited
US2370939A
Cited
US2585863A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |