US3511262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid cooled valve
Assignee: Raymond Kaiser Engineers Inc
•
Filing: 1966-11-14
•
Granted: 1970-05-12
•
Expires: 1986-11-14
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Vietorisz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:59
CPC Classifications
F; F16; F16K; F16K49/00; F16K49/005; F16K49/007; F16K3/00; F16K3/02; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/6065; Y10T137/6072; Y10T137/6416; Y10T137/6579
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1070693A
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US1102197A
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US2331465A
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US2467945A
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US2884959A
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US3068888A
Cited
US3215399A
Cited
US3249117A
Cited
US3207174A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |