US3087779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel element recovery process
Assignee: 3M Co
•
Filing: 1958-06-25
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Granted: 1963-04-30
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Expires: 1978-06-25
Abstract
No abstract record available.
Inventors
- 👤 James R Johnson
- 👤 William E Rowe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:43
CPC Classifications
G; G21; G21C; G21C19/00; G21C19/42; G21C19/44; G21C19/48; C; C22; C22B; C22B60/00; C22B60/02; C22B60/0204; C22B60/0213; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y02W; Y02W30/00; Y02W30/50; Y10; Y10S; Y10S62/00; Y10S62/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
47 words
AN OXIDATIVE SLAGGING PROCESS WHICH COMPRISES OXIDIZING REACTOR FUEL ELEMENTS OF THE CERAMIC CARBONACEOUS TYPE IN AN OTHERWISE INERT ATMOSPHERE CONTAINING FROM ABOUT 3 TO ABOUT 7 VOLUME PERCENT OF OXYGEN AT A TEMPERATURE IN THE RANGE OF ABOUT 1550-1650* F. AND UNDER CONDITIONS OF NON-SELF-SUSTAINING COMBUSTION.
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) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |