US3291440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid-operated valve
Assignee: Individual
•
Filing: 1964-06-01
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Granted: 1966-12-13
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Expires: 1984-06-01
Abstract
No abstract record available.
Inventors
- 👤 Farley J Archer
- 👤 Charles R Archer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:42
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/0616; G05D16/0619; G05D16/0622
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
A VALVE COMPRISING: (A) A TUBULAR BODY MEMBER HAVING AN AXIALLY OPENING VALVE SEAT FORMED THEREIN, (B) A VALVE PLUNGER CARRIED FOR AXIAL MOVEMENT IN SAID BODY MEMBER TO AND FROM SAID SEAT TO CLOSE AND OPEN SAID VALVE, (C) A HOUSING SURROUNDING SAID BODY MEMBER AND INCLUDING A PAIR OF SPACED APART END WALLS EXTENDING OUTWARDLY FROM SAID MEMBER AND AFFIXED THERETO, (D) ROD CARRIED BY SAID PLUNGER AND EXTENDING LATERALLY THEREFROM THROUGHT AN APERTURE OF SAID BODY MEMBER INTO SAID HOUSING INTERMEDIATE SAID END WALLS THEREOF, (C) MEANS SEALING SAID BODY MEMBER APERTURE AROUND SAID ROD, (F) AN ANNULAR PLATE SURROUNDING SAID BODY MEMBER AND BEING AXIALLY SLIDABLE, THEREALONG INTERMEDIATE SAID HOUSING END WALLS, SAID ROD BEING ENGAGED BY SAID PLATE, (G) COMPRESSION SPRINGS INTERPOSED BETWEEN SAID PLATE AND ONE OF SAID WALLS WHEREBY TO BIAS SAID PLATE IN ONE DIRECTION, AND (H) AN EXPANSIBLE FLUID BELLOWS DISPOSED BETWEEN SAID PLATE AND THE OTHER OF SAID END WALLS, WHEREBY TO MOVE SAID PLATE IN THE OPPOSITE DIRECTION AGAINST SAID SPRINGS WHENEVER FLUID UNDER PRESSURE IS SUPPLIED THERETO.
Claim 2
Dependent Claim
179 words
A VALVE COMPRISING: (A) A TUBULAR BODY MEMBER HAVING AN AXIALLY OPENING VALVE SEAT FORMED THEREIN, (B) A VALVE PLUNGER CARRIED FOR AXIAL MOVEMENT IN SAID BODY MEMBER TO AND FROM SAID SEAT TO CLOSE AND OPEN SAID VALVE, (C) A HOUSING SURROUNDING SAID BODY MEMBER AND INCLUDING A PAIR OF SPACED APART END WALLS EXTENDING OUTWARDLY FROM SAID MEMBER AND AFFIXED THERETO, (D) ROD CARRIED BY SAID PLUNGER AND EXTENDING LATERALLY THEREFROM THROUGHT AN APERTURE OF SAID BODY MEMBER INTO SAID HOUSING INTERMEDIATE SAID END WALLS THEREOF, (C) MEANS SEALING SAID BODY MEMBER APERTURE AROUND SAID ROD, (F) AN ANNULAR PLATE SURROUNDING SAID BODY MEMBER AND BEING AXIALLY SLIDABLE, THEREALONG INTERMEDIATE SAID HOUSING END WALLS, SAID ROD BEING ENGAGED BY SAID PLATE, (G) COMPRESSION SPRINGS INTERPOSED BETWEEN SAID PLATE AND ONE OF SAID WALLS WHEREBY TO BIAS SAID PLATE IN ONE DIRECTION, AND (H) AN EXPANSIBLE FLUID BELLOWS DISPOSED BETWEEN SAID PLATE AND THE OTHER OF SAID END WALLS, WHEREBY TO MOVE SAID PLATE IN THE OPPOSITE DIRECTION AGAINST SAID SPRINGS WHENEVER FLUID UNDER PRESSURE IS SUPPLIED THERETO.
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) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |