US3280834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slide valve
Assignee: Crawford Fitting Co
•
Filing: 1964-02-05
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Granted: 1966-10-25
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Expires: 1984-02-05
Abstract
No abstract record available.
Inventors
- 👤 Emery J Zahuranec
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:32
CPC Classifications
F; F16; F16K; F16K3/00; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87571; Y10T137/87676; Y10T137/87684; Y10T137/877; Y10T137/87788; Y10T137/8782; Y10T137/87829; Y10T137/87837; Y10T137/87845; Y10T137/87917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A VALVE COMBINATION COMPRISING: A LONGITUDINALLY EXTENDING BODY; VALVE MEANS MOVABLY CARRIED BY SAID BODY INLET AND OUTLET PASSAGES IN SAID BODY; SAID VALVE MEANS INCLUDING MEANS COOPERATING WITH SAID INLET AND OUTLET PASSAGES FOR CONTROLLING THE FLOW OF FLUID FROM SAID INLET PASSAGE TO SAID OUTLET PASSAGE; A THIRD PASSAGE FORMED IN SAID VALVE MEANS ANGULARLY DISPOSED RELATIVE TO SAID INLET AND OUTLET PASSAGES; FLOW CONTROL MEANS IN SAID THIRD PASSAGE; MOVEMENT OF SAID VALVE MEANS ON SAID BODY CONTROLLING THE COMMUNICATION OF SAID THIRD PASSAGE WITH SAID INLET AND OUTLET PASSAGES.
Claim 2
Dependent Claim
93 words
A VALVE COMBINATION COMPRISING: A LONGITUDINALLY EXTENDING BODY; VALVE MEANS MOVABLY CARRIED BY SAID BODY INLET AND OUTLET PASSAGES IN SAID BODY; SAID VALVE MEANS INCLUDING MEANS COOPERATING WITH SAID INLET AND OUTLET PASSAGES FOR CONTROLLING THE FLOW OF FLUID FROM SAID INLET PASSAGE TO SAID OUTLET PASSAGE; A THIRD PASSAGE FORMED IN SAID VALVE MEANS ANGULARLY DISPOSED RELATIVE TO SAID INLET AND OUTLET PASSAGES; FLOW CONTROL MEANS IN SAID THIRD PASSAGE; MOVEMENT OF SAID VALVE MEANS ON SAID BODY CONTROLLING THE COMMUNICATION OF SAID THIRD PASSAGE WITH SAID INLET AND OUTLET PASSAGES.
References Cited (Backward Citations)
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Cited
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US1944739A
Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |