US2690333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for smelting oxide ores
Assignee: Individual
•
Filing: 1951-04-13
•
Granted: 1954-09-28
•
Expires: 1971-04-13
Abstract
No abstract record available.
Inventors
- 👤 Edmund S Pomykala
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:59
CPC Classifications
C; C21; C21B; C21B5/00; C21B5/001; Y; Y02; Y02P; Y02P10/00; Y02P10/10; Y02P10/122
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
AN APPARATUS FOR SMELTING IRON AND OTHER METAL OXIDE ORES WITH THE SIMULTANEOUS PRODUCTION OF REDUCING GASES, WHICH COMPRISES A BLAST FURNACE, A SOUCE OF LIQUID HYDROCARBONS, MEANS FOR CRACKING AND GASIFYING SAID HYDROCARBONS, MEANS FOR COMPRESSING AND PREHEATING AIR TO HIGH TEMPERATURES, TUYERES FOR INTRODUCING THE CRACKED HYDROCARBONS AND THE PREHEATED AIR INTO THE FURNACE, EACH TUYERES FOR INTRODUCING THE CARBON NOZZLE AND A PAIR OF AIR NOZZLED MOUNTED IN A COMMON STRUCTURE DIRECTLY ADJACENT TO AND ON EITHER SIDE OF OF SAID HYDROCARBON NOZZLE, SAID NOZZLES BEING PROVIDED WITH APERTURES POSITIONED CLOSE TO THE EXIT OF THE TUYERE WHICH CONNECT THE AIR NOZZLES WITH THE CENTRAL HYDROCARBON NOZZLE FOR MIXING THE CRACKED HYDROCARBON GASES WITH PART OF THE AIR AS THE GASES ENTER THE FURNACE; SAID NOZZLES BEING SO CONSTRUCTED AND ARRANGED
Claim 2
Independent Claim
134 words
AN APPARATUS FOR SMELTING IRON AND OTHER METAL OXIDE ORES WITH THE SIMULTANEOUS PRODUCTION OF REDUCING GASES, WHICH COMPRISES A BLAST FURNACE, A SOUCE OF LIQUID HYDROCARBONS, MEANS FOR CRACKING AND GASIFYING SAID HYDROCARBONS, MEANS FOR COMPRESSING AND PREHEATING AIR TO HIGH TEMPERATURES, TUYERES FOR INTRODUCING THE CRACKED HYDROCARBONS AND THE PREHEATED AIR INTO THE FURNACE, EACH TUYERES FOR INTRODUCING THE CARBON NOZZLE AND A PAIR OF AIR NOZZLED MOUNTED IN A COMMON STRUCTURE DIRECTLY ADJACENT TO AND ON EITHER SIDE OF OF SAID HYDROCARBON NOZZLE, SAID NOZZLES BEING PROVIDED WITH APERTURES POSITIONED CLOSE TO THE EXIT OF THE TUYERE WHICH CONNECT THE AIR NOZZLES WITH THE CENTRAL HYDROCARBON NOZZLE FOR MIXING THE CRACKED HYDROCARBON GASES WITH PART OF THE AIR AS THE GASES ENTER THE FURNACE; SAID NOZZLES BEING SO CONSTRUCTED AND ARRANGED
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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) | 1957-09-27 | 1958-03-29 | 1958-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-27 | 1962-03-29 | 1962-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-27 | 1966-03-29 | 1966-09-28 | $7700.00 | Window Closed / Lapsed |