Patent US3524467A successfully refreshed from Google Patents.
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 14:11
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1563605A
Cited
US1995727A
Cited
DE711187C
Cited
US2331465A
Cited
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 |