US3763085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refractory composition
Assignee: Baker Co J E
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Filing: 1971-08-23
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Granted: 1973-10-02
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Expires: 1991-08-23
Abstract
Abstract A POURABLE, NON-HYDRATABLE, PREMIXED, REFRACTORY RAMMING, PATCH OR LINING MATERIAL FOR HIGH TEMPERATURE FURNACES, LADLES, AND THE LIKE, C ONSISTING ESSENTIALLY OF NON-ACID REFRACTORY AGGREGATE SUCH AS PARTICULATE DOLOMITE, MAGNESITE, ETC., MIXED WITH ABOUT 2-5% OF A WATERRESISTANT, NORMALLY LIQUID OR PLASTIC POLYMERIC MATERIAL, SUCH AS THE LOWER MOLECULAR WEIGHT PETROLEUM HYDROCARBON RESINS, A-METHYL STYRENE POLYMERS, POLYBUTENES AND COUMARONE-INDENE RESINS.
Inventors
- 👤 Fadgen R Mc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:53
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-01 | 1977-04-02 | 1977-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-01 | 1981-04-02 | 1981-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-01 | 1985-04-02 | 1985-10-02 | $7700.00 | Window Closed / Lapsed |