US3034859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Delaminated english clay products, etc.
Assignee: Southern Clays Inc
•
Filing: 1959-04-27
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Granted: 1962-05-15
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Expires: 1979-04-27
Abstract
No abstract record available.
Inventors
- 👤 Fred A Gunn
- 👤 Horton H Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:23
CPC Classifications
C; C09; C09C; C09C3/00; C09C3/04; C09C3/041; B; B28; B28C; B28C1/00; B28C1/003; B28C1/02; B28C1/04; C01; C01P; C01P2004/00; C01P2004/30; C01P2004/32; C01P2004/51; C01P2004/60; C01P2004/61; C01P2004/62; C01P2006/00; C01P2006/21; C01P2006/22; C01P2006/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
THE METHOD OF PRODUCING AN IMPROVED DELAMINATED ENGLISH PRIMARY CLAY PRODUCT FROM ENGLISH PRIMARY FILLER CLAYS AND FROM ENGLISH PRIMARY COATING CLAYS WHICH COMPRISES SUBJECTING SUCH PRIMARY CLAY TO DELAMINATION BY RAPID AGITATION OF A SLURRY OF THE CLAY WITH FINE, NONABRASIVE GRINDING MEDIA, WITH RESULTING FINE MILLING MECHANICAL ACTION INCLUDING (1) A MILD, VISCOUS, SHEAR MILLING DUE TO AGITATION OF THE ADMIXED FINE MILLING MEDIA, WATER AND CLAY, (2) A MILD PERCUSSIVE MILLING DUE TO
Claim 2
Independent Claim
76 words
THE METHOD OF PRODUCING AN IMPROVED DELAMINATED ENGLISH PRIMARY CLAY PRODUCT FROM ENGLISH PRIMARY FILLER CLAYS AND FROM ENGLISH PRIMARY COATING CLAYS WHICH COMPRISES SUBJECTING SUCH PRIMARY CLAY TO DELAMINATION BY RAPID AGITATION OF A SLURRY OF THE CLAY WITH FINE, NONABRASIVE GRINDING MEDIA, WITH RESULTING FINE MILLING MECHANICAL ACTION INCLUDING (1) A MILD, VISCOUS, SHEAR MILLING DUE TO AGITATION OF THE ADMIXED FINE MILLING MEDIA, WATER AND CLAY, (2) A MILD PERCUSSIVE MILLING DUE TO
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) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |