US3102709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ram type valve apparatus
Assignee: Cooper Industries LLC
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Filing: 1959-08-26
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Granted: 1963-09-03
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Expires: 1979-08-26
Abstract
No abstract record available.
Inventors
- 👤 Allen Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:43
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/02; E21B33/03; E21B33/06; E21B33/061; E21B33/062; F; F16; F16K; F16K3/00; F16K3/28; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86928; Y10T137/87016; Y10T137/8704; Y10T137/87917; Y10T137/87981
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
VALVE APPARATUS, COMPRISING A BODY HAVING A BORE THERETHROUGH AND A GUIDEWAY THEREIN INTERSECTING THE BORE, A CLOSURE MEMBER LONGITUDINALLY SLIDABLE WITHIN THE GUIDEWAY TO OPEN AND CLOSE THE BORE, AND COMPRISING A CARRIER AND A PLATE EXTENDING LONGITUDINALLY OF THE GUIDEWAY IN SIDE-BY-SIDE RELAION, MEANS FOR RECIPROCATING THE CARRIER TO MOVE THE CLOSURE MEMBER BETWEEN BORE OPENING AND CLOSING POSITIONS, MEANS OPERATIVE TO SEAL, IN THE CLOSED POSITION OF THE CLOSURE MEMBER, BETWEEN THE INNER END OF THE CARRIER AND A SURFACE IN THE BORE OPPOSITE THE GUIDEWAY AND BETWEEN THE GUIDEWAY AND CLOSURE MEMBER ALONG THE SIDES AND LATERALLY ACROSS THE CLOSURE MEMBER, MEANS SEALING BETWEEN THE CARRIER AND PLATE TO FORM WITH SAID FIRST-MENTIONED SEAL MEANS A PRESSURE CHAMBER IN THE GUIDEWAY COMPRISING IN PART PRESSURE RESPONSIVE SURFACES ON THE OUTER ENDS OF THE CARRIER AND PLATE, MEANS FOR ADMITTING FLUID PRESSURE ON THE SIDE OF
Claim 2
Dependent Claim
149 words
VALVE APPARATUS, COMPRISING A BODY HAVING A BORE THERETHROUGH AND A GUIDEWAY THEREIN INTERSECTING THE BORE, A CLOSURE MEMBER LONGITUDINALLY SLIDABLE WITHIN THE GUIDEWAY TO OPEN AND CLOSE THE BORE, AND COMPRISING A CARRIER AND A PLATE EXTENDING LONGITUDINALLY OF THE GUIDEWAY IN SIDE-BY-SIDE RELAION, MEANS FOR RECIPROCATING THE CARRIER TO MOVE THE CLOSURE MEMBER BETWEEN BORE OPENING AND CLOSING POSITIONS, MEANS OPERATIVE TO SEAL, IN THE CLOSED POSITION OF THE CLOSURE MEMBER, BETWEEN THE INNER END OF THE CARRIER AND A SURFACE IN THE BORE OPPOSITE THE GUIDEWAY AND BETWEEN THE GUIDEWAY AND CLOSURE MEMBER ALONG THE SIDES AND LATERALLY ACROSS THE CLOSURE MEMBER, MEANS SEALING BETWEEN THE CARRIER AND PLATE TO FORM WITH SAID FIRST-MENTIONED SEAL MEANS A PRESSURE CHAMBER IN THE GUIDEWAY COMPRISING IN PART PRESSURE RESPONSIVE SURFACES ON THE OUTER ENDS OF THE CARRIER AND PLATE, MEANS FOR ADMITTING FLUID PRESSURE ON THE SIDE OF
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) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |