US2945666A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball valve
Assignee: Neles Jamesbury Inc
•
Filing: 1958-02-14
•
Granted: 1960-07-19
•
Expires: 1978-02-14
Abstract
No abstract record available.
Inventors
- 👤 Howard G Freeman
- 👤 Oscar R Vaudreuil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:41
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/06; F16K5/0663; F16K5/0668
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US934614A
Cited
US2201895A
Cited
US2606738A
Cited
FR1018974A
Cited
US2792196A
Cited
US2665879A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |