US3400046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchange means in a liquid-metal cooled nuclear reactor
Assignee: ENGILISH ELECTRIC Co Ltd
•
Filing: 1966-02-04
•
Granted: 1968-09-03
•
Expires: 1986-02-04
Abstract
No abstract record available.
Inventors
- 👤 Barker Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:05
CPC Classifications
G; G21; G21C; G21C1/00; G21C1/02; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1775103A
Cited
US2620169A
Cited
US2961393A
Cited
US2959400A
Cited
US3129756A
Cited
US3182002A
Cited
US3242981A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |