US3164362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trunnion mounted ball valves having spring biased seats
Assignee: General Dynamics Corp
•
Filing: 1960-10-07
•
Granted: 1965-01-05
•
Expires: 1980-10-07
Abstract
No abstract record available.
Inventors
- 👤 Francois I Lavigueur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:19
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/06; F16K5/0626; F16K5/0636; F16K5/0663; F16K5/0673
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB460042A
Cited
US2191232A
Cited
US2373628A
Cited
US2866213A
Cited
US2883146A
Cited
US3036590A
Cited
US2983479A
Cited
US2963260A
Cited
US3045693A
Cited
US3083945A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-05 | 1968-07-06 | 1969-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-05 | 1972-07-06 | 1973-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-05 | 1976-07-06 | 1977-01-05 | $7700.00 | Window Closed / Lapsed |