US3063561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Beneficiation of ores
Assignee: International Minerals and Chemical Corp
•
Filing: 1960-01-25
•
Granted: 1962-11-13
•
Expires: 1980-01-25
Abstract
No abstract record available.
Inventors
- 👤 Robert E Snow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:26
CPC Classifications
B; B03; B03C; B03C7/00; B03C7/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A METHOD OF BENEFICATING CALCITE PHOSPHATE MATERIALS WHICH TREATING A SUBSTANTIALLY DRY MIXTURE CONTAINING DISCRETE GRANULES OF CALCITE AND PHOSPHATE HAVING A PARTICLE SIZE OF LESS THAN ABOUT 10 MESH WITH A
Claim 2
Independent Claim
32 words
A METHOD OF BENEFICATING CALCITE PHOSPHATE MATERIALS WHICH TREATING A SUBSTANTIALLY DRY MIXTURE CONTAINING DISCRETE GRANULES OF CALCITE AND PHOSPHATE HAVING A PARTICLE SIZE OF LESS THAN ABOUT 10 MESH WITH A
References Cited (Backward Citations)
US2105807A
Cited
US2197865A
Cited
US2593431A
Cited
US2769536A
Cited
US2744625A
Cited
US2805769A
Cited
US2927010A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |