Patent US3600276A successfully refreshed from Google Patents.
US3600276A
Expired / Lapsed
US
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Fuel systems for nuclear reactors
Assignee: JOHN B NIMS JR
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Filing: 1968-10-07
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Granted: 1971-08-17
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Expires: 1988-10-07
Abstract
Abstract A NUCLEAR REACTOR COMPRISING AN ARRAY OF FUEL SUBASSEMBLIES HAVING TAPERED COOPERATING INTERFACE SURFACES, WHEREBY LONGITUDINAL EXPANSION OF THE SUP-ASSEMBLY CAUSES RADIAL CORE EXPANSION.
Inventors
- 👤 John B Nims Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:01
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/02; G21C3/04; G21C3/06; G21C3/12; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-16 | 1975-02-15 | 1975-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-16 | 1979-02-15 | 1979-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-16 | 1983-02-15 | 1983-08-17 | $7700.00 | Window Closed / Lapsed |