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US3061533A
Expired / Lapsed
US
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Control means for a boiling water nuclear reactor power system
Assignee: United Engineers and Constructors Inc
•
Filing: 1958-05-12
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Granted: 1962-10-30
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Expires: 1978-05-12
Abstract
No abstract record available.
Inventors
- 👤 Robert H Shannon
- 👤 Harold E Williamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:16
CPC Classifications
G; G21; G21D; G21D3/00; G21D3/08; G21D3/12; G21C; G21C1/00; G21C1/04; G21C1/06; G21C1/08; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2861033A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |