US3218024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid motor actuated ball valve
Assignee: EG&G Sealol Inc
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Filing: 1962-07-18
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Granted: 1965-11-16
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Expires: 1982-07-18
Abstract
No abstract record available.
Inventors
- 👤 Kroekel Rolf Heinz Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:24
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/16; F16K31/163; F16K31/1635
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A BALL VALVE COMPRISING A HOUSING HAVING A CHAMBER WITH INLET AND OUTLET FLOW APERTURES, A BALL VALVE HAVING A STEM ROTATIVELY MOUNTED IN SAID HOUSING, AND LOCATED IN SAID CHAMBER AND HAVING AN AXIAL PASSAGEWAY CONNECTING SAID INLET WITH SAID OUTLET FLOW APERTURES, AN UPPER FLUID SEALING SEAT ADJACENT SAID STEM AT THE TOP OF SAID BALL AND A LOWER FLUID SEALING SEAT ADJACENT SAID STEM AT THE BOTTOM OF SAID BALL, A BELLOWS TYPE MOTION TRANSMITTING MECHANISM PROVIDED WITH AN UPPER CIRCULAR PROJECTION ENGAGEABLE WITH SAID UPPER FLUID SEALING SEAT FIXED IN SAID HOUSING, ANOTHER BELLOWS TYPE MOTION TRANSMITTING MECHANISM, PROVIDED WITH A LOWER CIRCULAR PROJECTION ENGAGEABLE WITH SAOD LOWER FLUID SEALING SEAT, FIXED IN SAID HOUSING, SAID UPPER FLUID SEALING SEAT AND SAID LOWER FLUID SEALING SEAT HAVING ERQUAL AREAS, SAID UPPER CIRCULAR PROJECTION AND
Claim 2
Dependent Claim
138 words
A BALL VALVE COMPRISING A HOUSING HAVING A CHAMBER WITH INLET AND OUTLET FLOW APERTURES, A BALL VALVE HAVING A STEM ROTATIVELY MOUNTED IN SAID HOUSING, AND LOCATED IN SAID CHAMBER AND HAVING AN AXIAL PASSAGEWAY CONNECTING SAID INLET WITH SAID OUTLET FLOW APERTURES, AN UPPER FLUID SEALING SEAT ADJACENT SAID STEM AT THE TOP OF SAID BALL AND A LOWER FLUID SEALING SEAT ADJACENT SAID STEM AT THE BOTTOM OF SAID BALL, A BELLOWS TYPE MOTION TRANSMITTING MECHANISM PROVIDED WITH AN UPPER CIRCULAR PROJECTION ENGAGEABLE WITH SAID UPPER FLUID SEALING SEAT FIXED IN SAID HOUSING, ANOTHER BELLOWS TYPE MOTION TRANSMITTING MECHANISM, PROVIDED WITH A LOWER CIRCULAR PROJECTION ENGAGEABLE WITH SAOD LOWER FLUID SEALING SEAT, FIXED IN SAID HOUSING, SAID UPPER FLUID SEALING SEAT AND SAID LOWER FLUID SEALING SEAT HAVING ERQUAL AREAS, SAID UPPER CIRCULAR PROJECTION AND
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |