US3082104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exothermic high refractory mixture
Assignee: Chromium Mining and Smelting Corp Ltd
•
Filing: 1959-05-06
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Granted: 1963-03-19
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Expires: 1979-05-06
Abstract
No abstract record available.
Inventors
- 👤 Fred W Belz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:44
CPC Classifications
C; C22; C22B; C22B5/00; C22B5/02; C22B5/04; C04; C04B; C04B35/00; C04B35/622; C04B35/626; C04B35/63; C04B35/6303; C04B35/64; C04B35/65; C04B35/651; C04B35/66; C22B5/06; C04B2235/00; C04B2235/02; C04B2235/30; C04B2235/32; C04B2235/3205; C04B2235/3231; C04B2235/3232; C04B2235/3241; C04B2235/3243
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
50 words
A GRANULATED EXOTHERMIC REFRACTORY MIXTURE CONSISTING ESSENTIALLY OF THE FOLLOWING INGREDIENTS, UNIFORMLY DISPERSED AMONG EACH OTHER, AND IN THE FOLLOWING AMOUNT: BY WEIGHT55-70% DEAD-BURNED MAGNESITE 5-12% ILMENITE 20-8% OXIDIZING AGENT OF THE GROUP CONSISTING OF SODIUM NITRATE AND CALCIUM NITRATE BALANCE OXIDIZABLE METAL OF THE GROUP OF FERROSILICON AND ALUMINUM.
References Cited (Backward Citations)
US2753612A
Cited
US2741822A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |