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Patent US2767463A successfully refreshed from Google Patents.
US2767463A
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Metallo-ceramic compositions and process of producing same
Assignee: Office National d'Études et de Recherches Aérospatiales
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Filing: 1952-04-15
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Granted: 1956-10-23
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Expires: 1972-04-15
Abstract
No abstract record available.
Inventors
- 👤 Tacvorian Skon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:33
CPC Classifications
C; C22; C22C; C22C32/00; C22C32/001; C22C32/0015; C22C32/0031; C04; C04B; C04B35/00; C04B35/622; C04B35/64; C04B35/65; C04B35/71; C22C29/00; C22C29/12
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
50 words
A PROCESS FOR MANUFACTURING A SINTERED METALLOCERAMIC BODY WHICH COMPRISES SINTERING A MIXTURE OF OXIDE OF THORIUM AND OF ZIRCONIUM IN THE TEMPERATURE RANGE OF FROM 1500-2000* C. AND IN AN ATMOSPHERE HAVING A CONTROLLED SUPPLY OF OXYGEN CAPABLE OF TRANSFORMING A PORTION OF THE ZIRCONIUM INTO OXIDE OF ZIRCONIUM.
Claim 2
Dependent Claim
50 words
A PROCESS FOR MANUFACTURING A SINTERED METALLOCERAMIC BODY WHICH COMPRISES SINTERING A MIXTURE OF OXIDE OF THORIUM AND OF ZIRCONIUM IN THE TEMPERATURE RANGE OF FROM 1500-2000* C. AND IN AN ATMOSPHERE HAVING A CONTROLLED SUPPLY OF OXYGEN CAPABLE OF TRANSFORMING A PORTION OF THE ZIRCONIUM INTO OXIDE OF ZIRCONIUM.
Claim 3
Dependent Claim
30 words
A SINTERED METALLOC-CERAMIC COMPOSITION CONSISTING OF THORIA AND ZIRCONIA IN A PROPORTION HIGHER THAN 40% OF THE WHOLE, THE THORIA BEING IN AMOUNT SUBSTANTIALLY GREATER THAN SAID ZIRCONIA, AND ZIRCONIUM.
Claim 4
Dependent Claim
30 words
A SINTERED METALLOC-CERAMIC COMPOSITION CONSISTING OF THORIA AND ZIRCONIA IN A PROPORTION HIGHER THAN 40% OF THE WHOLE, THE THORIA BEING IN AMOUNT SUBSTANTIALLY GREATER THAN SAID ZIRCONIA, AND ZIRCONIUM.
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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) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |