US3268303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removal of stainless-steel claddings from nuclear fuel elements
Assignee: Individual
•
Filing: 1964-03-17
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Granted: 1966-08-23
•
Expires: 1984-03-17
Abstract
No abstract record available.
Inventors
- 👤 Ramaswami Devabhaktuni
- 👤 Norman M Levitz
- 👤 Albert A Jonke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:55
CPC Classifications
C; C23; C23F; C23F1/00; G; G21; G21C; G21C19/00; G21C19/34; G21C19/38; G21C3/00; G21C3/38; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A PROCESS OF DISSOLVING STAINLESS-STEEL CLADDINGS FROM FUEL ELEMENTS COMPRISING SAID CLADDINGS AND URANIUM-OSIDE-BASE NUCLEAR FUEL CORES, SAID PROCESS COMPRISING CONTACTING SAID FUEL ELEMENTS WHILE IN AN OXYGEN-CONTAINING GAS-FLUIDIZED BED AND AT BETWEEN 25 TO 100*C. WITH LIQUID ATOMIZED AQUEOUS HYDROCHLORIC ACID WHEREBY THE CLADDING IS DISSOLVED, BUT THE CORE REMAINS UNATTACKED.
Claim 2
Dependent Claim
52 words
A PROCESS OF DISSOLVING STAINLESS-STEEL CLADDINGS FROM FUEL ELEMENTS COMPRISING SAID CLADDINGS AND URANIUM-OSIDE-BASE NUCLEAR FUEL CORES, SAID PROCESS COMPRISING CONTACTING SAID FUEL ELEMENTS WHILE IN AN OXYGEN-CONTAINING GAS-FLUIDIZED BED AND AT BETWEEN 25 TO 100*C. WITH LIQUID ATOMIZED AQUEOUS HYDROCHLORIC ACID WHEREBY THE CLADDING IS DISSOLVED, BUT THE CORE REMAINS UNATTACKED.
References Cited (Backward Citations)
US3089751A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |