US3058736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dolomite furnace lining with carbonaceous bond
Assignee: Kaiser Aluminum and Chemical Corp
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Filing: 1960-03-02
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Granted: 1962-10-16
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Expires: 1980-03-02
Abstract
No abstract record available.
Inventors
- 👤 Jacques R Martinet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:21
CPC Classifications
F; F27; F27D; F27D1/00; F27D1/0003; F27D1/0006; C; C04; C04B; C04B35/00; C04B35/01; C04B35/013; C04B35/03; C04B35/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
IN A FURNACE OF OPERATION AT HIGH TEMPEREATURE, A METAL SHELL AND DEPOSITED THEREIN A REFRACTORY LINING CONSISTING ESSENTIALLY OF AN INTIMATE MIXTURE OF COURSE FIRED DOLOMITE GRAINS, FINELY DIVIDED FIRED DOLOMITE AND FROM 4% TO 10% OF A NONAQUEOUS COKABLE, CARBONACEOUS BONDING MATERIAL, SAID LINING HAVING BEED FORMED BY VIBRATION WHILE APPLYING LOW PRESSURE INSUFFICIENT IN ITSELF TO FORM A DENSE LINING.
Claim 2
Dependent Claim
63 words
IN A FURNACE OF OPERATION AT HIGH TEMPEREATURE, A METAL SHELL AND DEPOSITED THEREIN A REFRACTORY LINING CONSISTING ESSENTIALLY OF AN INTIMATE MIXTURE OF COURSE FIRED DOLOMITE GRAINS, FINELY DIVIDED FIRED DOLOMITE AND FROM 4% TO 10% OF A NONAQUEOUS COKABLE, CARBONACEOUS BONDING MATERIAL, SAID LINING HAVING BEED FORMED BY VIBRATION WHILE APPLYING LOW PRESSURE INSUFFICIENT IN ITSELF TO FORM A DENSE LINING.
References Cited (Backward Citations)
US2407725A
Cited
US2684842A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-15 | 1966-04-16 | 1966-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-15 | 1970-04-16 | 1970-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-15 | 1974-04-16 | 1974-10-16 | $7700.00 | Window Closed / Lapsed |