Patent US3100499A successfully refreshed from Google Patents.
US3100499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: General Dynamics Corp
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Filing: 1961-07-21
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Granted: 1963-08-13
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Expires: 1981-07-21
Abstract
No abstract record available.
Inventors
- 👤 Harold E Bass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:18
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/08; F16K11/087; F16K11/0873; F16K11/0876; F16K5/00; F16K5/06; F16K5/0663; F16K5/0668; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4358; Y10T137/4442
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
A VALVE, COMPRISING A VALVE HOUSING HAVING FIRST AND SECOND PORTS; A ROTATABLE BALL DISPOSED IN THE SPACE WITHIN SAID HOUSING AND HAVING A FLUID PASSAGE ARRANGED IN ONE ROTATIONAL POSITION OF SAID BALL TO PROVIDE COMMUNICATION BETWEEN SAID PORTS, SAID BALL, IN ANOTHER ROTATIONAL POSITION THEREOF, BEING ARRANGED TO PREVENT COMMUNICATION BETWEEN SAID PORTS, SAID PASSAGE HAVING A CIRCULAR MOUTH WITH A ROUNDED EDGE FORMING A BALL NOSE, SAID MOUTH BEING IN AXIAL ALIGNMENT WITH SAID FIRST PORT WHEN SAID BALL IS TURNED TO FULLY OPEN SAID FIRST PORT; SAID HOUSING HAVING A VALVE SEAT ADJACENT AND CONCENTRIC WITH SAID FIRST PORT; AND A FLEXIBLE ANNULAR SEAT SEAL RING DISPOSED IN SAID SEAT AND HAVING A REAR FACE ARRANGED TO CONTACT SAID SEAT AND A FRONT FACE ARRANGED TO CONTACT SAID BALL, SAID FRONT FACE HAVING FIRST AND SECOND RADIALLY AND AXIALLY SPACED ANNULAR LOAD BEARING AREAS EACH ARRANGED TO CONTACT SAID BALL UNDER PREDETERMINED LOAD CONDITIONS, THE RADIALLY INNER ONE OF SAID LOAD BEARING AREAS BEING ARRANGED TO BE IN FLUIDTIGHT SEALING CONTACT WITH SAID BALL WHEN SAID BALL IS IN
Claim 2
Dependent Claim
183 words
A VALVE, COMPRISING A VALVE HOUSING HAVING FIRST AND SECOND PORTS; A ROTATABLE BALL DISPOSED IN THE SPACE WITHIN SAID HOUSING AND HAVING A FLUID PASSAGE ARRANGED IN ONE ROTATIONAL POSITION OF SAID BALL TO PROVIDE COMMUNICATION BETWEEN SAID PORTS, SAID BALL, IN ANOTHER ROTATIONAL POSITION THEREOF, BEING ARRANGED TO PREVENT COMMUNICATION BETWEEN SAID PORTS, SAID PASSAGE HAVING A CIRCULAR MOUTH WITH A ROUNDED EDGE FORMING A BALL NOSE, SAID MOUTH BEING IN AXIAL ALIGNMENT WITH SAID FIRST PORT WHEN SAID BALL IS TURNED TO FULLY OPEN SAID FIRST PORT; SAID HOUSING HAVING A VALVE SEAT ADJACENT AND CONCENTRIC WITH SAID FIRST PORT; AND A FLEXIBLE ANNULAR SEAT SEAL RING DISPOSED IN SAID SEAT AND HAVING A REAR FACE ARRANGED TO CONTACT SAID SEAT AND A FRONT FACE ARRANGED TO CONTACT SAID BALL, SAID FRONT FACE HAVING FIRST AND SECOND RADIALLY AND AXIALLY SPACED ANNULAR LOAD BEARING AREAS EACH ARRANGED TO CONTACT SAID BALL UNDER PREDETERMINED LOAD CONDITIONS, THE RADIALLY INNER ONE OF SAID LOAD BEARING AREAS BEING ARRANGED TO BE IN FLUIDTIGHT SEALING CONTACT WITH SAID BALL WHEN SAID BALL IS IN
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) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |