US3150835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drilling clay process and product
Assignee: Floridin Co
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Filing: 1960-07-05
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Granted: 1964-09-29
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Expires: 1980-07-05
Abstract
No abstract record available.
Inventors
- 👤 Norman H Horton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:00
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/02; C09K8/04; C09K8/14; C09K8/145
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
THE METHOD OF PRODUCING A CLAY OF THE FULLER''S EARTH TYPE CAPABLE OF BEING DISPERSED IN WATER TO OBTAIN A THIXOTROPIC SYSTEM, THE CLAY HAVING A PARTICLE SIZE SUBSTANTIALLY LESS THAN 40 MESH,AND, SAID CLAY, WHEN DISPERSED IN WATER, FORMING A DISPERSION HAVING REPULSIVE AND ATTRACTIVE FORCES SO ADJUSTED THAT A THIOXTROPIC SYSTEM IS CREATED, SAID METHOD COMPRISING DISINTEGRATING CRUDE CLAY TO HAVE A PARTICLE SIZE SUBSTANTIALLY LESS THAN 40 MESH, WHILE SAID CRUDE CLAY POSSESSES A HIGH FREE MOISTURE CONTENT OF 30% TO 60%.
Claim 2
Independent Claim
85 words
THE METHOD OF PRODUCING A CLAY OF THE FULLER''S EARTH TYPE CAPABLE OF BEING DISPERSED IN WATER TO OBTAIN A THIXOTROPIC SYSTEM, THE CLAY HAVING A PARTICLE SIZE SUBSTANTIALLY LESS THAN 40 MESH,AND, SAID CLAY, WHEN DISPERSED IN WATER, FORMING A DISPERSION HAVING REPULSIVE AND ATTRACTIVE FORCES SO ADJUSTED THAT A THIOXTROPIC SYSTEM IS CREATED, SAID METHOD COMPRISING DISINTEGRATING CRUDE CLAY TO HAVE A PARTICLE SIZE SUBSTANTIALLY LESS THAN 40 MESH, WHILE SAID CRUDE CLAY POSSESSES A HIGH FREE MOISTURE CONTENT OF 30% TO 60%.
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) | 1967-09-29 | 1968-03-30 | 1968-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-29 | 1972-03-30 | 1972-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-29 | 1976-03-30 | 1976-09-29 | $7700.00 | Window Closed / Lapsed |