US3304949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: Riley Power Inc
•
Filing: 1965-03-22
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Granted: 1967-02-21
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Expires: 1985-03-22
Abstract
No abstract record available.
Inventors
- 👤 Hans D Baumann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:56
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/126; F16K31/1262; Y; Y10; Y10T; Y10T137/00; Y10T137/5109; Y10T137/5196
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
204 words
A VALVE, COMPRISING (A) A HOUSING HAVING A CHAMBER AND HAVING AN INLET OPENING AND AN OUTLET OPENING INTO THE CHAMBER, THE HOUSING HAVING A WALL EXTENDING ACROSS THE CHAMBER, WHICH WALL IS PROVIDED WITH AN APERTURE, (B) A SEAT MEMBER OF GENERALLY CUP-SHAPED CONFIGURATION HAVING A TUBULAR SIDE WALL, THE EXTERIOR OF THE SIDE WALL HAVING A FLANGE EXTENDING RADIALLY OUTWARDLY THEREFROM, A SECOND FLANGE EXTENDING INWARDLY FROM ONE END OF THE SAID TUBULAR SIDE WALL TO DEFINE A BORE WHICH IS COAXIAL OF THE SIDE WALL, THE SEAT MEMBER RESIDING IN THE APERTURE IN THE SAID WALL WITH THE FLANGE SUPPORTED ON THE WALL AROUND THE APERTURE, THE SEAT MEMBER BEING REVERSIBLE IN THE SAID APERTURE, (C) A PLUG MEMBER RESIDING IN THE SEAT MEMBER AND CONTACTING THE SECOND FLANGE OF THE SEAT MEMBER AROUND THE BORE, THE INNER SURFACE OF THE SAID TUBULAR SIDE WALL BEING GEOMETRICALLY FORMED TO GIVE ACCURATE CONTROL OF THE SPACE BETWEEN THE PLUG AND THE SURFACE WHEN THE PLUG IS NOT CONTACTING THE SAID SECOND FLANGE, AND (D) A STEM EXTENDING FROM THE PLUG MEMBER TO THE EXTERIOR OF THE HOUSING FOR THE CONTROL OF THE RELATIVE POSITIONS OF THE PLUG MEMBER AND THE SEAT MEMBER.
Claim 2
Dependent Claim
204 words
A VALVE, COMPRISING (A) A HOUSING HAVING A CHAMBER AND HAVING AN INLET OPENING AND AN OUTLET OPENING INTO THE CHAMBER, THE HOUSING HAVING A WALL EXTENDING ACROSS THE CHAMBER, WHICH WALL IS PROVIDED WITH AN APERTURE, (B) A SEAT MEMBER OF GENERALLY CUP-SHAPED CONFIGURATION HAVING A TUBULAR SIDE WALL, THE EXTERIOR OF THE SIDE WALL HAVING A FLANGE EXTENDING RADIALLY OUTWARDLY THEREFROM, A SECOND FLANGE EXTENDING INWARDLY FROM ONE END OF THE SAID TUBULAR SIDE WALL TO DEFINE A BORE WHICH IS COAXIAL OF THE SIDE WALL, THE SEAT MEMBER RESIDING IN THE APERTURE IN THE SAID WALL WITH THE FLANGE SUPPORTED ON THE WALL AROUND THE APERTURE, THE SEAT MEMBER BEING REVERSIBLE IN THE SAID APERTURE, (C) A PLUG MEMBER RESIDING IN THE SEAT MEMBER AND CONTACTING THE SECOND FLANGE OF THE SEAT MEMBER AROUND THE BORE, THE INNER SURFACE OF THE SAID TUBULAR SIDE WALL BEING GEOMETRICALLY FORMED TO GIVE ACCURATE CONTROL OF THE SPACE BETWEEN THE PLUG AND THE SURFACE WHEN THE PLUG IS NOT CONTACTING THE SAID SECOND FLANGE, AND (D) A STEM EXTENDING FROM THE PLUG MEMBER TO THE EXTERIOR OF THE HOUSING FOR THE CONTROL OF THE RELATIVE POSITIONS OF THE PLUG MEMBER AND THE SEAT MEMBER.
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) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |