US3294496A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal ceramic compositions
Assignee: Union Carbide Corp
•
Filing: 1963-11-29
•
Granted: 1966-12-27
•
Expires: 1983-11-29
Abstract
No abstract record available.
Inventors
- 👤 Aurel I Berghezan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:33
CPC Classifications
C; C22; C22C; C22C32/00; C22C32/001; C22C32/0015; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/1216; Y10T428/12167
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A METAL-CERAMIC COMPOSITION CONSISTING ESSENTIALLY OF 2% TO 50% WEIGHT OF A FIRST CONSTITUENT COMPOSED OF AT LEAST ONE MATERIAL SELECTED FROM THE GROUP CONSISTING OF COPPER, SILVER, MANGANESE, ZINC, NICKEL, COBALT, IRON AND OXIDES THEREOF; 2% TO 35% OF AT LEAST ONE MATERIAL SELECTED FROM THE GROUP CONSISTING OF SILICA AND GERMANIA; THE REMAINDER ALUMINA AND INCIDENTAL IMPURITIES, THE SILICA GERMANIA GROUP CONTENT BEING BETWEEN ABOUT 0.5 AND 1.5 TIMES THE FIRST CONSTITUENT CONTENT, SAID COMPOSITION HAVING A BINDER PHASE AT LEAST TERNARY AND COMPRISING (A) OXIDE OF A METAL SELECTED FROM GROUP OF METALS OF SAID FIRST CONSTITUENT, (B) ALUMINA, AND (C) MATERIAL SELECTED FROM SAID SILICA-GERMANIA GROUP.
Claim 2
Dependent Claim
110 words
A METAL-CERAMIC COMPOSITION CONSISTING ESSENTIALLY OF 2% TO 50% WEIGHT OF A FIRST CONSTITUENT COMPOSED OF AT LEAST ONE MATERIAL SELECTED FROM THE GROUP CONSISTING OF COPPER, SILVER, MANGANESE, ZINC, NICKEL, COBALT, IRON AND OXIDES THEREOF; 2% TO 35% OF AT LEAST ONE MATERIAL SELECTED FROM THE GROUP CONSISTING OF SILICA AND GERMANIA; THE REMAINDER ALUMINA AND INCIDENTAL IMPURITIES, THE SILICA GERMANIA GROUP CONTENT BEING BETWEEN ABOUT 0.5 AND 1.5 TIMES THE FIRST CONSTITUENT CONTENT, SAID COMPOSITION HAVING A BINDER PHASE AT LEAST TERNARY AND COMPRISING (A) OXIDE OF A METAL SELECTED FROM GROUP OF METALS OF SAID FIRST CONSTITUENT, (B) ALUMINA, AND (C) MATERIAL SELECTED FROM SAID SILICA-GERMANIA GROUP.
References Cited (Backward Citations)
US2311228A
Cited
US2899323A
Cited
US2011173A
Cited
US2224595A
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US2431660A
Cited
US2580171A
Cited
US2470269A
Cited
US2681862A
Cited
US2784105A
Cited
US2922721A
Cited
GB824124A
Cited
US2843501A
Cited
US2961325A
Cited
US3093593A
Cited
US3128194A
Cited
US3080261A
Cited
US3214250A
Cited
US3180742A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |