US3126277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ore reduction process
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
•
Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:05
CPC Classifications
C; C21; C21B; C21B13/00; C21B13/08; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
AN INTEGRATED ORE REDUCTION AND CHARRING PROCESS, WHICH COMPRISES: REDUCING A METALLIC OXIDE ORE IN THE PRESENCE OF A LOW VOLATILE, SOLID CARBONACEOUS REDUCTANT AND IN THE PRESENCE OF HOT COMBUSTIBLE GASES AND A CONTROLLED AMOUNT OF AN OXYGEN-CONTAINING GAS TO PROVIDE A METALLIZED ORE REDUCTION PRODUCT ADMIXED WITH AN EXCESS, UNCONSUMED PORTION OF SAID SOLID REDUCTANT, AND CONCURRENTLY THEREWITH, SUBJECTING A HIGH VOLATILE, SOLID CARBONACEOUS RAW MATERIAL TO A CHARRING OPERATION, BY PARTIAL COMBUSTION THEREOF, TO PROVIDE A LOW VOLATILE, HOT CHAR WITH EVOLUTION OF HOT COMBUSTIBLE GASES, UTILIZING THE HOT GASES THUS OBTAINED IN THE REDUCTION OF SAID ORE, WATER QUENCHING THE SAID ADMIXTURE OF SAID ORE REDUCTION PRODUCT AND EXCESS SOLID REDUCTANT, AND SEPARATING, AND ADMIXING THE HOT CHAR FROM SAID CHARRING OPERATION WITH SAID QUENCHED AND SEPARATED EXCESS REDUCTANT.
Claim 2
Dependent Claim
133 words
AN INTEGRATED ORE REDUCTION AND CHARRING PROCESS, WHICH COMPRISES: REDUCING A METALLIC OXIDE ORE IN THE PRESENCE OF A LOW VOLATILE, SOLID CARBONACEOUS REDUCTANT AND IN THE PRESENCE OF HOT COMBUSTIBLE GASES AND A CONTROLLED AMOUNT OF AN OXYGEN-CONTAINING GAS TO PROVIDE A METALLIZED ORE REDUCTION PRODUCT ADMIXED WITH AN EXCESS, UNCONSUMED PORTION OF SAID SOLID REDUCTANT, AND CONCURRENTLY THEREWITH, SUBJECTING A HIGH VOLATILE, SOLID CARBONACEOUS RAW MATERIAL TO A CHARRING OPERATION, BY PARTIAL COMBUSTION THEREOF, TO PROVIDE A LOW VOLATILE, HOT CHAR WITH EVOLUTION OF HOT COMBUSTIBLE GASES, UTILIZING THE HOT GASES THUS OBTAINED IN THE REDUCTION OF SAID ORE, WATER QUENCHING THE SAID ADMIXTURE OF SAID ORE REDUCTION PRODUCT AND EXCESS SOLID REDUCTANT, AND SEPARATING, AND ADMIXING THE HOT CHAR FROM SAID CHARRING OPERATION WITH SAID QUENCHED AND SEPARATED EXCESS REDUCTANT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |