US3524467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid expanded disk valve
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1967-10-13
•
Granted: 1970-08-18
•
Expires: 1987-10-13
Abstract
No abstract record available.
Inventors
- 👤 Arthur C Worley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:45
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/02; F16K3/16; F16K3/18; F16K3/188; Y; Y10; Y10T; Y10T137/00; Y10T137/6416; Y10T137/6579
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1563605A
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US1995727A
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DE711187C
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US2331465A
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US2476711A
Cited
US2448706A
Cited
US2582877A
Cited
US2825528A
Cited
US2819034A
Cited
US2993502A
Cited
US3206162A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-17 | 1974-02-16 | 1974-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-17 | 1978-02-16 | 1978-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-17 | 1982-02-16 | 1982-08-18 | $7700.00 | Window Closed / Lapsed |