US3361583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making a fired ceramic article, and article obtained thereby
Assignee: Amphenol Corp
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Filing: 1964-10-16
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Granted: 1968-01-02
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Expires: 1984-10-16
Abstract
No abstract record available.
Inventors
- 👤 Vito D Elarde
- 👤 Edward A Potocki
- 👤 Henry M Gajewski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:52
CPC Classifications
C; C04; C04B; C04B33/00; C04B33/02; C04B33/13; C04B33/1315; C04B35/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A MOLDING AND FIRING PROCESS FOR TH PRODUCTION OF WATER RESISTANT, DENSE, MOLDED CERAMIC ARTICLES IN WHICH LOW SHRINKAGE OCCURS DURING PROCESSING, WHICH COMPRISES MIXING IN PERCENT BY WEIGHT FROM 50%-90% OF A REFRACTORY CERAMIC MATERIAL OF THE GROUP CONSISTING OF ALUMINA, MAGNESIA, ZIRCONIA, TITANIA, THORIA, BERYLLIA, SILICA, CARBON, AND CARBIDES OF SILICON, TITANIUM, ZIRCONIUM, CHROMIUM, TUNGSTEN, AND MOLYBDENUM, FROM 5%-40% OF WOLLASTONITE, FROM 2%-25% OF GLASS FRIT, FROM 8%-25% OF A SILICONE RESIN, AND AN AMOUNT OF A PLASTICIZER FOR THE SILICONE RESIN SUFFICIENT TO GIVE FLOW FOR MOLDING, SUBJECTING THE MIXTURE TO HEAT AND PRESSURE SUFFICIENT TO MOLD INTO A SHAPED ARTICLE AND THERMOSET THE SILICONE RESIN, AND FIRING THE SHAPED ARTICLE TO A TEMPERATURE SUFFICIENT TO BRING ABOUT FUSION OF THE WOLLASTONITE AND GLASS FRIT BUT INSUFFICIENT TO FUSE THE SAID REFRECTORY CERAMIC MATERIAL.
Claim 2
Dependent Claim
137 words
A MOLDING AND FIRING PROCESS FOR TH PRODUCTION OF WATER RESISTANT, DENSE, MOLDED CERAMIC ARTICLES IN WHICH LOW SHRINKAGE OCCURS DURING PROCESSING, WHICH COMPRISES MIXING IN PERCENT BY WEIGHT FROM 50%-90% OF A REFRACTORY CERAMIC MATERIAL OF THE GROUP CONSISTING OF ALUMINA, MAGNESIA, ZIRCONIA, TITANIA, THORIA, BERYLLIA, SILICA, CARBON, AND CARBIDES OF SILICON, TITANIUM, ZIRCONIUM, CHROMIUM, TUNGSTEN, AND MOLYBDENUM, FROM 5%-40% OF WOLLASTONITE, FROM 2%-25% OF GLASS FRIT, FROM 8%-25% OF A SILICONE RESIN, AND AN AMOUNT OF A PLASTICIZER FOR THE SILICONE RESIN SUFFICIENT TO GIVE FLOW FOR MOLDING, SUBJECTING THE MIXTURE TO HEAT AND PRESSURE SUFFICIENT TO MOLD INTO A SHAPED ARTICLE AND THERMOSET THE SILICONE RESIN, AND FIRING THE SHAPED ARTICLE TO A TEMPERATURE SUFFICIENT TO BRING ABOUT FUSION OF THE WOLLASTONITE AND GLASS FRIT BUT INSUFFICIENT TO FUSE THE SAID REFRECTORY CERAMIC MATERIAL.
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) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |