US2910379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coating graphite with stable metal carbides and nitrides
Assignee: Individual
•
Filing: 1956-07-18
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Granted: 1959-10-27
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Expires: 1976-07-18
Abstract
No abstract record available.
Inventors
- 👤 David H Gurinsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:57
CPC Classifications
C; C23; C23C; C23C10/00; C23C10/18; C23C10/20; C23C10/22; G; G21; G21C; G21C5/00; G21C5/12; G21C5/126; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
77 words
THE METHOD OF PREVENTING REACTION BETWEEN URANIUM AND CARBON WHERE SAID URANIUM IS PRESENT IN THE FORM OF A SOLUTE IN LIQUID EUTECTIC LEAD-BISMUTH COMPOSITION WHICH COMPRISES DISSOLVING IN SAID EUTECTIN A METAL SELECTED FROM THE GROUP CONSISTING OF ZIRCONIUM, TITANIUM, AND HAFNIUM, BRINGING SAID DISSOLVED METAL IN CONTACT WITH GRAPHITE AND HEATING TO A TEMPERATURE OF ABOUT 1200*C., AND THEREAFTER CONTACTING THE CONTACTED DURFACE OF SAID GRAPHITE WITH A LEAD-BISMUTH EUTECTIC COMPOSITION CONTAINING URANIUM DISSOLVED THEREIN
References Cited (Backward Citations)
US2548897A
Cited
US2779073A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-26 | 1963-04-27 | 1963-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-26 | 1967-04-27 | 1967-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-26 | 1971-04-27 | 1971-10-27 | $7700.00 | Window Closed / Lapsed |