US3394726A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: Ametek Inc
•
Filing: 1966-06-16
•
Granted: 1968-07-30
•
Expires: 1986-06-16
Abstract
No abstract record available.
Inventors
- 👤 William A Brice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:45
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/06; F16K5/0663; F16K5/0668; F16K5/0626; Y; Y10; Y10T; Y10T137/00; Y10T137/5109
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1553299A
Cited
US2839266A
Cited
US2855177A
Cited
US2995336A
Cited
US2945666A
Cited
US3118649A
Cited
US3165292A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |