US3149789A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous process of grinding particulate material
Assignee: Individual
•
Filing: 1960-10-28
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Granted: 1964-09-22
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Expires: 1980-10-28
Abstract
No abstract record available.
Inventors
- 👤 Szegvari Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:49
CPC Classifications
B; B02; B02C; B02C17/00; B02C17/16; B01; B01F; B01F27/00; B01F27/80; B01F33/00; B01F33/25; B01F33/251
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
THE IMPROVEMENT IN THE PROCESS OF GRINDING PARTICULATE MATERIAL IN A LIQUID IN THE PRESENCE OF A MULTIPLICITY OF SPHERICAL GRINDING ELEMENTS OF SUBSTANTIALLY THE SAME SIZE KINETICALLY ACTIVATED IN A RANDOM FASHION OUT OF STATIC CONTACT WITH ONE ANOTHER AND INTO REPEATED CONTACT WITH ONE ANOTHER IN AN UPRIGHT CYLINDRICAL ZONE, WHICH IMPROVEMENT COMPRISES ADDING LIQUID AND PARTICULATE MATERIAL TO THE ZONE ADJACENT ONE END THEREOF AND REMOVING LIQUID AND GROUND PARTICULATE MATERIAL FROM ADJACENT THE OTHER END THEREOF WHILE KINETICALLY AGITATING THE GRINDING ELEMENTS AS AFORESAID THROUGHOUT SUBSTANTIALLY THE WHOLE OF THE LIQUID IN THE ZONE, WHILE MAINTAINING SUBSTANTIALLY CONSTANT UNIDIRECTIONAL FLOW OF THE LIQUID AND PARTICULATE MATERIAL THROUGHOUT THE ZONE.
Claim 2
Dependent Claim
113 words
THE IMPROVEMENT IN THE PROCESS OF GRINDING PARTICULATE MATERIAL IN A LIQUID IN THE PRESENCE OF A MULTIPLICITY OF SPHERICAL GRINDING ELEMENTS OF SUBSTANTIALLY THE SAME SIZE KINETICALLY ACTIVATED IN A RANDOM FASHION OUT OF STATIC CONTACT WITH ONE ANOTHER AND INTO REPEATED CONTACT WITH ONE ANOTHER IN AN UPRIGHT CYLINDRICAL ZONE, WHICH IMPROVEMENT COMPRISES ADDING LIQUID AND PARTICULATE MATERIAL TO THE ZONE ADJACENT ONE END THEREOF AND REMOVING LIQUID AND GROUND PARTICULATE MATERIAL FROM ADJACENT THE OTHER END THEREOF WHILE KINETICALLY AGITATING THE GRINDING ELEMENTS AS AFORESAID THROUGHOUT SUBSTANTIALLY THE WHOLE OF THE LIQUID IN THE ZONE, WHILE MAINTAINING SUBSTANTIALLY CONSTANT UNIDIRECTIONAL FLOW OF THE LIQUID AND PARTICULATE MATERIAL THROUGHOUT THE ZONE.
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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |