US2768890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of sintering
Assignee: Individual
•
Filing: 1951-04-27
•
Granted: 1956-10-30
•
Expires: 1971-04-27
Abstract
No abstract record available.
Inventors
- 👤 Martin L Cover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:07
CPC Classifications
C; C22; C22B; C22B1/00; C22B1/14; C22B1/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A METHOD IN CONNECTION WITH THE USE OF A SINTERING APPARATUS WHICH COMPRISES COLLECTING DUST AND RECOVERABLE PARTICLES FROM ALL PARTS OF SAID MACHING IN A MOVING STREAM OF AIR, INTRODUCING INTO SAID STREAM A MEASURED QUANTITY OF FINE ORE AND FINE FUEL, REMOVING COARSE PARTICLES FROM SAID STREAM IN DRY CONDITION, WASHING THE REMAINGING PARTICLES FROM SAID STREAM WITH WATER, REMOVING THE WATER FROM SAID RECOVERED PARTICLES TO LEAVE A MATERIAL CONTAINING 26 TO 30% MOISTURE, AND INTRODUCING SAID MOIST MATERIAL INTO A SINTER BED ADJACENT THE LOWER PORTION THEREOF IN BALLED DISPERSED CONDITION.
Claim 2
Independent Claim
95 words
A METHOD IN CONNECTION WITH THE USE OF A SINTERING APPARATUS WHICH COMPRISES COLLECTING DUST AND RECOVERABLE PARTICLES FROM ALL PARTS OF SAID MACHING IN A MOVING STREAM OF AIR, INTRODUCING INTO SAID STREAM A MEASURED QUANTITY OF FINE ORE AND FINE FUEL, REMOVING COARSE PARTICLES FROM SAID STREAM IN DRY CONDITION, WASHING THE REMAINGING PARTICLES FROM SAID STREAM WITH WATER, REMOVING THE WATER FROM SAID RECOVERED PARTICLES TO LEAVE A MATERIAL CONTAINING 26 TO 30% MOISTURE, AND INTRODUCING SAID MOIST MATERIAL INTO A SINTER BED ADJACENT THE LOWER PORTION THEREOF IN BALLED DISPERSED CONDITION.
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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) | 1959-10-30 | 1960-04-30 | 1960-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-30 | 1964-04-30 | 1964-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-30 | 1968-04-30 | 1968-10-30 | $7700.00 | Window Closed / Lapsed |