US3298391A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two way flow anti-siphon valve assembly
Assignee: —
•
Filing: —
•
Granted: 1967-01-17
•
Expires: 1984-01-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:01
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/18; F16K17/19; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7771
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A VALVE BODY FOR A TWO WAY FLOW ANTI-SIPHON VALVE ASSEMBLY COMPRISING A SUBSTANTIALLY CYLINDRICAL BODY MEMBER, THREADED PORTIONS AT EACH END OF SAID BODY MEMBER, A KNURLED PORTION MOUNTED ON SAID BODY MEMBER ADJACENT EACH OF SAID THREADED PORTIONS, A PERIPHERAL RIDGE MOUNTED ON SAID VALVE BODY ADJACENT EACH OF SAID KNURLED PORTIONS, SUBSTANTIALLY AXIALLY DISPOSED FLUID PASSAGEWAYS EXTENDING FROM EACH END OF SAID BODY MEMBER IN A DIRECTION TOWARD EACH OTHER AND TERMINATING SHORT OF THE MIDPORTION OF SAID BODY MEMBER, A PLURALITY OF RADIALLY DISPOSED DUCTS COMMUNICATING WITH THE INNER ENDS OF SAID FLUID PASSAGEWAYS AND EXTENDING THROUGH THE SIDE WALL OF SAID BODY MEMBER, A PERIPHERALLY DISPOSED RIDGE EXTENDING ABOUT SAID VALVE BODY AND POSITIONED BETWEEN SAID RADIALLY DISPOSED DUCTS, AND A RESILIENT SLEEVE TELESCOPICALLY MOUNTED ON SAID VALVE BODY BETWEEN SAID THREADED PORTIONS, ENGAGING SAID PERIPHERAL RIDGE PORTIONS AND SAID KNURLED PORTION AND ENSHROUDING SAID DUCTS.
Claim 2
Dependent Claim
151 words
A VALVE BODY FOR A TWO WAY FLOW ANTI-SIPHON VALVE ASSEMBLY COMPRISING A SUBSTANTIALLY CYLINDRICAL BODY MEMBER, THREADED PORTIONS AT EACH END OF SAID BODY MEMBER, A KNURLED PORTION MOUNTED ON SAID BODY MEMBER ADJACENT EACH OF SAID THREADED PORTIONS, A PERIPHERAL RIDGE MOUNTED ON SAID VALVE BODY ADJACENT EACH OF SAID KNURLED PORTIONS, SUBSTANTIALLY AXIALLY DISPOSED FLUID PASSAGEWAYS EXTENDING FROM EACH END OF SAID BODY MEMBER IN A DIRECTION TOWARD EACH OTHER AND TERMINATING SHORT OF THE MIDPORTION OF SAID BODY MEMBER, A PLURALITY OF RADIALLY DISPOSED DUCTS COMMUNICATING WITH THE INNER ENDS OF SAID FLUID PASSAGEWAYS AND EXTENDING THROUGH THE SIDE WALL OF SAID BODY MEMBER, A PERIPHERALLY DISPOSED RIDGE EXTENDING ABOUT SAID VALVE BODY AND POSITIONED BETWEEN SAID RADIALLY DISPOSED DUCTS, AND A RESILIENT SLEEVE TELESCOPICALLY MOUNTED ON SAID VALVE BODY BETWEEN SAID THREADED PORTIONS, ENGAGING SAID PERIPHERAL RIDGE PORTIONS AND SAID KNURLED PORTION AND ENSHROUDING SAID DUCTS.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
FR1254883A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |