US2651569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the production of alloys
Assignee: Monsanto Chemicals Ltd
•
Filing: 1951-03-23
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Granted: 1953-09-08
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Expires: 1971-03-23
Abstract
No abstract record available.
Inventors
- 👤 Roland P Loewen
- 👤 John H Starr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:18
CPC Classifications
C; C01; C01B; C01B35/00; C01B35/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
THE METHOD OF PRODUCING METALLIC SILICIDES BY ELECTROTHERMAL REDUCTION, WHICH COMPRISES INTRODUCING A MIXTURE OF CARBON AND A METALCONTAINING MATERIAL AROUND THE ELECTRODES OF AN ELECTRIC FURNACE AND SILICA AROUND SAID MIXTURE AND SMELTING THE RESULTING CHARGE, SAID METALCONTAINING MATERIAL BEING SELECTED FROM THE GROUP CONSISTING OF IRON, COPPER, NICKEL, COBALT, CHROMIUM, MAGNESIUM, MANGANESE, TUNGSTEN, TITANIUM, MOLYBDENUM, BORON, VANADIUM, ZIRCONIUM, COMPOUNDS AND ORES CONTAINING SAID METALS.
Claim 2
Independent Claim
66 words
THE METHOD OF PRODUCING METALLIC SILICIDES BY ELECTROTHERMAL REDUCTION, WHICH COMPRISES INTRODUCING A MIXTURE OF CARBON AND A METALCONTAINING MATERIAL AROUND THE ELECTRODES OF AN ELECTRIC FURNACE AND SILICA AROUND SAID MIXTURE AND SMELTING THE RESULTING CHARGE, SAID METALCONTAINING MATERIAL BEING SELECTED FROM THE GROUP CONSISTING OF IRON, COPPER, NICKEL, COBALT, CHROMIUM, MAGNESIUM, MANGANESE, TUNGSTEN, TITANIUM, MOLYBDENUM, BORON, VANADIUM, ZIRCONIUM, COMPOUNDS AND ORES CONTAINING SAID METALS.
References Cited (Backward Citations)
US790391A
Cited
US1873800A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |