US3037627A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of beneficiating sulfide and oxide ores of copper, manganese, lead and zinc
Assignee: KERR MC GEE OIL IND Inc
•
Filing: 1958-06-16
•
Granted: 1962-06-05
•
Expires: 1978-06-16
Abstract
No abstract record available.
Inventors
- 👤 Wayne C Hazen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:01
CPC Classifications
B; B03; B03D; B03D1/00; B03D1/001; B03D1/004; B03D1/014; B03D2201/00; B03D2201/02; B03D2203/00; B03D2203/02; B03D2203/04; Y; Y10; Y10S; Y10S209/00; Y10S209/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A METHOD OF BENEFICATING ORES SELECTED FRROM THE GROUP CONSISTING OF THE SULFIDE AND OXIDE ORES OF THE METALS COPPER, MANGANESE, LEAD AND ZINC BY FROTH FLOTATION TO PRODUCE A FROTH CONCENTRATE OF DESIRED METAL VALUES WHICH COMPRISES EFFECTING THE FROTH FLOTATION OF THE ORE IN THE PRESENCE OF A COLLECTOR HAVING THE FOLLOWING FORMULA:
Claim 2
Independent Claim
55 words
A METHOD OF BENEFICATING ORES SELECTED FRROM THE GROUP CONSISTING OF THE SULFIDE AND OXIDE ORES OF THE METALS COPPER, MANGANESE, LEAD AND ZINC BY FROTH FLOTATION TO PRODUCE A FROTH CONCENTRATE OF DESIRED METAL VALUES WHICH COMPRISES EFFECTING THE FROTH FLOTATION OF THE ORE IN THE PRESENCE OF A COLLECTOR HAVING THE FOLLOWING FORMULA:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-04 | 1965-12-04 | 1966-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-04 | 1969-12-04 | 1970-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-04 | 1973-12-04 | 1974-06-05 | $7700.00 | Window Closed / Lapsed |