US3285826A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel element containing a mechanically compressible mandril
Assignee: Individual
•
Filing: 1966-05-20
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Granted: 1966-11-15
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Expires: 1986-05-20
Abstract
No abstract record available.
Inventors
- 👤 James E Lang
- 👤 Richard A Proebstle
- 👤 Leonard G Wisnyi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:00
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/02; G21C3/04; G21C3/16; G21C3/18; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S376/00; Y10S376/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A FUEL ELEMENT FOR A NUCLEAR REACTOR COMPRISING AN ANNULAR CORE CONSISTING OF A CERAMIC FISSIONABLE MATERIAL HAVING A CENTRAL OPENING THEREIN, METALLIC CLADDING SURROUNDING THE CORE, AND A MECHANICALLY COMPRESSIBLE MANDRIL DISPOSED WITHIN THE CENTRAL OPENING TO PREVENT DISLOCATED FRAGMENTS OF FUEL FROM FALLING INTO THE CENTRAL OPENING WHILE PERMITTING THE FUEL TO SWELL INWARDLY.
Claim 2
Dependent Claim
56 words
A FUEL ELEMENT FOR A NUCLEAR REACTOR COMPRISING AN ANNULAR CORE CONSISTING OF A CERAMIC FISSIONABLE MATERIAL HAVING A CENTRAL OPENING THEREIN, METALLIC CLADDING SURROUNDING THE CORE, AND A MECHANICALLY COMPRESSIBLE MANDRIL DISPOSED WITHIN THE CENTRAL OPENING TO PREVENT DISLOCATED FRAGMENTS OF FUEL FROM FALLING INTO THE CENTRAL OPENING WHILE PERMITTING THE FUEL TO SWELL INWARDLY.
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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |