Patent US2867525A successfully refreshed from Google Patents.
US2867525A
Expired / Lapsed
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Agglomerating finely divided aluminum smelting mixtures
Assignee: Harvey Machine Co Inc
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Filing: 1955-08-01
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Granted: 1959-01-06
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Expires: 1975-08-01
Abstract
No abstract record available.
Inventors
- 👤 Loevenstein Hirsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:41
CPC Classifications
C; C22; C22B; C22B1/00; C22B1/14; C22B1/24; C22B1/2406
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
THE PROCESS OF AGGLOMERATING FINELY DIVIDED, ALUMINUM-CONTAINING MINERALS PRELIMINARY TO SMELTING WHICH COMPRISES PROVIDING THE ALUMINUM-CONTAINING MINERAL IN ADMIXTURE WITH FROM 10 TO 60% LIME, MIXING WITH THE MINERAL AND LIME A PLASTICIZING QUANTITY OF WATER, AND FORMING THE RESULTING PLASTIC MIXTURE COMPRISING MINERAL, LIME AND WATER INTO AGGREGATES OF PREDETERMINED SIZE AND SHAPE, WHEREBY THE RESULTING AGGREGATES WILL NOT DISINTEGRATE BEFORE SUBSEQUENT SMELTING THEREOF, PERCENT BEING EXPRESSED AS PERCENT BY WEIGHT OF THE DRY MIXTURE.
Claim 2
Dependent Claim
76 words
THE PROCESS OF AGGLOMERATING FINELY DIVIDED, ALUMINUM-CONTAINING MINERALS PRELIMINARY TO SMELTING WHICH COMPRISES PROVIDING THE ALUMINUM-CONTAINING MINERAL IN ADMIXTURE WITH FROM 10 TO 60% LIME, MIXING WITH THE MINERAL AND LIME A PLASTICIZING QUANTITY OF WATER, AND FORMING THE RESULTING PLASTIC MIXTURE COMPRISING MINERAL, LIME AND WATER INTO AGGREGATES OF PREDETERMINED SIZE AND SHAPE, WHEREBY THE RESULTING AGGREGATES WILL NOT DISINTEGRATE BEFORE SUBSEQUENT SMELTING THEREOF, PERCENT BEING EXPRESSED AS PERCENT BY WEIGHT OF THE DRY MIXTURE.
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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) | 1962-01-05 | 1962-07-07 | 1963-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-05 | 1966-07-07 | 1967-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-05 | 1970-07-07 | 1971-01-06 | $7700.00 | Window Closed / Lapsed |