Patent US3023114A successfully refreshed from Google Patents.
US3023114A
Expired / Lapsed
US
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Refractory material
Assignee: International Minerals and Chemical Corp
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Filing: 1959-02-19
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Granted: 1962-02-27
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Expires: 1979-02-19
Abstract
No abstract record available.
Inventors
- 👤 Richard D Becker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:04
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/16; C04B35/18; C04B35/013
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
60 words
AN IMPROVED PLASTIC REFRACTORY COMPOSITION COMPRISED OF PLASTIC CLAY, CALCINED FLINT CLAY, BETWEEN ABOUT 5 AND ABOUT 20% BY WEIGHT ON A DRY BASIS OF FINELY DIVIDED FLUID COKE SUBSTANTIALLY ALL OF A PARTICLE SIZE OF LESS THAN 100 MESH, AND SUFFICIENT WATER TO PROVIDE A MOISTURE CONTENT IN THE COMPOSITION OF BETWEEN ABOUT 5 AND ABOUT 15% BY WEIGHT.
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) | 1965-02-26 | 1965-08-28 | 1966-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-26 | 1969-08-28 | 1970-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-26 | 1973-08-28 | 1974-02-27 | $7700.00 | Window Closed / Lapsed |