Patent US3214250A successfully refreshed from Google Patents.
US3214250A
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Refractory and cohesive materials having metallic phase and ceramic phase, method ofproducing same and method of coating using same
Assignee: Renault SA
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Filing: 1961-02-03
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Granted: 1965-10-26
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Expires: 1981-02-03
Abstract
No abstract record available.
Inventors
- 👤 Peras Lucien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:34
CPC Classifications
C; C22; C22C; C22C32/00; C22C32/001; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12139
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
33 words
NOVEL SINTERED COHESIVE AND REFRACTORY MATERIAL CONSISTING OF A METALLIC PHASE AND OF A CERAMIC PHASE, THE CERAMIC PHASE CONSISTING IN ALL CASES OF A HIGH-ALUMINA BAUXITE, WITH THE FOLLOWING COMPOSITION BEFORE SINTERING:
Claim 2
Dependent Claim
33 words
NOVEL SINTERED COHESIVE AND REFRACTORY MATERIAL CONSISTING OF A METALLIC PHASE AND OF A CERAMIC PHASE, THE CERAMIC PHASE CONSISTING IN ALL CASES OF A HIGH-ALUMINA BAUXITE, WITH THE FOLLOWING COMPOSITION BEFORE SINTERING:
Claim 3
Independent Claim
52 words
A METHOD OF PROTECTING A SURFACE WHICH COMPRISES SPRAYING UPON SAID SURFACE A COATING HAVING A MINIMUM THICKNESS OF 0.004" OF A COHESIVE AND REFRACTORY MATERIAL, CONSISTING OF A METALLIC PHASE AND A CERAMIC PHASE, THE CERAMIC PHASE CONSISTING IN ALL CASES OF A HIGH-ALUMINA BAUXITE, WITH THE FOLLOWING COMPOSITION BEFORE SINTERING:
Claim 4
Independent Claim
52 words
A METHOD OF PROTECTING A SURFACE WHICH COMPRISES SPRAYING UPON SAID SURFACE A COATING HAVING A MINIMUM THICKNESS OF 0.004" OF A COHESIVE AND REFRACTORY MATERIAL, CONSISTING OF A METALLIC PHASE AND A CERAMIC PHASE, THE CERAMIC PHASE CONSISTING IN ALL CASES OF A HIGH-ALUMINA BAUXITE, WITH THE FOLLOWING COMPOSITION BEFORE SINTERING:
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |