US3390571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid metal monitor
Assignee: United Kingdom Atomic Energy Authority
•
Filing: 1965-10-04
•
Granted: 1968-07-02
•
Expires: 1985-10-04
Abstract
No abstract record available.
Inventors
- 👤 Peter Francis Roach
- 👤 Daniel Fraser Davidson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:21
CPC Classifications
G; G21; G21C; G21C17/00; G21C17/02; G21C17/022; G21C17/025; G01; G01N; G01N25/00; G01N25/02; G01N25/04; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3222916A
Cited
FR1369423A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |