US3126293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Milling process
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
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Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:43
CPC Classifications
B; B02; B02C; B02C23/00; B02C23/06; C; C09; C09B; C09B67/00; C09B67/0001; C09B67/0022; C09C; C09C3/00; C09C3/04; C09C3/041; C01; C01P; C01P2004/00; C01P2004/51
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
IN A METHOD OF AGGREGATE MILLING INSOLUBLE COLORING MATERIAL TO REDUCE THE PARTICLE SIZE OF SAID COLORING MATERIAL, THE IMPROVEMENT WHICH COMPRISES MILLING AN AQUEOUS SLURRY OF THE COLORING MATERIAL IN THE PRESENCE OF ABOUT 0.25 TO ABOUT 5% OF A WATER-INSOLUBLE GRINDING MEDIUM HAVING A PARTICLE SIZE BETWEEN ABOUT 40 AND 400 MESH AND A MOH HARDNESS OF AT LEAST ABOUT 7.
Claim 2
Dependent Claim
63 words
IN A METHOD OF AGGREGATE MILLING INSOLUBLE COLORING MATERIAL TO REDUCE THE PARTICLE SIZE OF SAID COLORING MATERIAL, THE IMPROVEMENT WHICH COMPRISES MILLING AN AQUEOUS SLURRY OF THE COLORING MATERIAL IN THE PRESENCE OF ABOUT 0.25 TO ABOUT 5% OF A WATER-INSOLUBLE GRINDING MEDIUM HAVING A PARTICLE SIZE BETWEEN ABOUT 40 AND 400 MESH AND A MOH HARDNESS OF AT LEAST ABOUT 7.
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) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |