Patent US3192948A successfully refreshed from Google Patents.
US3192948A
Expired / Lapsed
US
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Ball valve with sealing capsule
Assignee: ACF Industries Inc
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Filing: 1961-06-05
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Granted: 1965-07-06
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Expires: 1981-06-05
Abstract
No abstract record available.
Inventors
- 👤 Clifford E Anderson
- 👤 Jesse S Downs
- 👤 Ronald A Gulick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:16
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/06; F16K5/0663; F16K5/0689; Y; Y10; Y10T; Y10T137/00; Y10T137/7504; Y10T137/7668; Y10T29/00; Y10T29/49; Y10T29/49405; Y10T29/49412
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A ROTATABLE SPHERICAL PLUG VALVE COMPRISING: (1) A VALVE BODY HAVING: (A) A FRUSTO CONICAL OPEN ENDED VALVE CHAMBER THE OPEN END OF WHICH IS PROVIDED WITH THREADS, (B) AN APERTURE IN THE BODY OPPOSITE THE OPEN END OF THE VALVE CHAMBER, (C) AXIALLY ALIGNED INLET AND OUTLET PASSAGES COMMUNICATING WITH SAID CHAMBER;
Claim 2
Dependent Claim
53 words
A ROTATABLE SPHERICAL PLUG VALVE COMPRISING: (1) A VALVE BODY HAVING: (A) A FRUSTO CONICAL OPEN ENDED VALVE CHAMBER THE OPEN END OF WHICH IS PROVIDED WITH THREADS, (B) AN APERTURE IN THE BODY OPPOSITE THE OPEN END OF THE VALVE CHAMBER, (C) AXIALLY ALIGNED INLET AND OUTLET PASSAGES COMMUNICATING WITH SAID CHAMBER;
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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) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |