US3383285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid reflector control for nuclear reactors
Assignee: United Kingdom Atomic Energy Authority
•
Filing: 1966-12-16
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Granted: 1968-05-14
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Expires: 1986-12-16
Abstract
No abstract record available.
Inventors
- 👤 Ackroyd Ronald Tunstall
- 👤 Perks Maurice Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:49
CPC Classifications
G; G21; G21C; G21C11/00; G21C11/06; G21C7/00; G21C7/28; G21C7/30; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1498
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |