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US3454466A
Expired / Lapsed
US
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Nuclear reactor containment system for metropolitan sites
Assignee: United States Atomic Energy Commission
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Filing: 1967-12-29
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Granted: 1969-07-08
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Expires: 1987-12-29
Abstract
No abstract record available.
Inventors
- 👤 William A Pitt
- 👤 Ralph B Lemon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:19
CPC Classifications
G; G21; G21C; G21C9/00; G21C9/004; G21C9/008; G21C9/012; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3115450A
Cited
US3168445A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |