US3192948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball valve with sealing capsule
Assignee: ACF Industries Inc
•
Filing: 1961-06-05
•
Granted: 1965-07-06
•
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 18:06
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;
References Cited (Backward Citations)
US860217A
Cited
US2117456A
Cited
US2271349A
Cited
US2387013A
Cited
US2424210A
Cited
GB690367A
Cited
US2905197A
Cited
US3041036A
Cited
US2913219A
Cited
US2911187A
Cited
US3061267A
Cited
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 |