US3409271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid flow control valve
Assignee: Ideal Aerosmith Inc
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Filing: 1966-05-04
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Granted: 1968-11-05
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Expires: 1986-05-04
Abstract
No abstract record available.
Inventors
- 👤 Donald D Kallenbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:03
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/44; F16K31/50; F16K31/506; F16K1/00; F16K1/32; F16K1/34; F16K1/36; F16K1/38; F16K1/52; F16K31/508
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A FLUID FLOW CONTROL VALVE COMPRISING IN COMBINATION A VALVE SEAT AND VALVE MEMBER BEING GUIDED FOR LONGITUDINAL SLIDING MOVEMENT TOWARD AND AWAY FROM CLOSING RELATION WITH SAID VALVE SEAT, SAID VALVE MEMBER INCLUDING A THREADED SECTION THEREON, A TUBULAR CASING DEFINING A GUIDE PASSAGE FOR SAID VALVE MEMBER AND INCLUDING A THREADED SECTION IN SPACED CONCENTRIC RELATION TO THE THREADED SECTION ON SAID VALVE MEMBER, A VALVE CONTROL SLEEVE CONCENTRICALLY DISPOSED BETWEEN SAID VALVE MEMBER AND TUBULAR CASING AND HAVING LONGITUDINALLY SPLIT THREADED SECTIONS ALTERNATELY BIASED INWARDLY AND OUTWARDLY FOR CLOSE-FITTING INTERENGAGEMENT WITH THE THREADED SECTIONS ON SAID VALVE MEMBER AND SAID TUBULAR CASING WHEREBY THREADED ADVANCEMENT OF SAID VALVE CON-
Claim 2
Dependent Claim
112 words
A FLUID FLOW CONTROL VALVE COMPRISING IN COMBINATION A VALVE SEAT AND VALVE MEMBER BEING GUIDED FOR LONGITUDINAL SLIDING MOVEMENT TOWARD AND AWAY FROM CLOSING RELATION WITH SAID VALVE SEAT, SAID VALVE MEMBER INCLUDING A THREADED SECTION THEREON, A TUBULAR CASING DEFINING A GUIDE PASSAGE FOR SAID VALVE MEMBER AND INCLUDING A THREADED SECTION IN SPACED CONCENTRIC RELATION TO THE THREADED SECTION ON SAID VALVE MEMBER, A VALVE CONTROL SLEEVE CONCENTRICALLY DISPOSED BETWEEN SAID VALVE MEMBER AND TUBULAR CASING AND HAVING LONGITUDINALLY SPLIT THREADED SECTIONS ALTERNATELY BIASED INWARDLY AND OUTWARDLY FOR CLOSE-FITTING INTERENGAGEMENT WITH THE THREADED SECTIONS ON SAID VALVE MEMBER AND SAID TUBULAR CASING WHEREBY THREADED ADVANCEMENT OF SAID VALVE CON-
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) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |