US3479250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
In-reactor control drive system
Assignee: United States Atomic Energy Commission
•
Filing: 1967-12-29
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Granted: 1969-11-18
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Expires: 1987-12-29
Abstract
No abstract record available.
Inventors
- 👤 Charles C Ripley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:41
CPC Classifications
G; G21; G21C; G21C7/00; G21C7/06; G21C7/08; G21C7/12; G21C7/16; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/2273
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2952600A
Cited
US3297537A
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US2975119A
Cited
US3122045A
Cited
US3223103A
Cited
US3233522A
Cited
US3400047A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |