US3172609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for disintegrating aggregates of solid material
Assignee: Kaiser Aluminum and Chemical Corp
•
Filing: 1963-02-08
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Granted: 1965-03-09
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Expires: 1983-02-08
Abstract
No abstract record available.
Inventors
- 👤 Orrie C Olsen
- 👤 Lloyd M Housh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:50
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/80; B01F27/93; B02; B02C; B02C17/00; B02C17/16; B01F27/05; B01F27/11; B01F27/19; B01F27/191
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
AN APPARATUS FOR DISINTEGRATING AGGREGATES OF PRECIPITATED MAGNESIUM HYDROXIDE WHICH COMPRISES A TUBULAR DEVICE HAVING AN INLET ADJACENT A MILLING ZONE AND AN OUTLET ADJACENT A SCREENING ZONE, SAID DEVICE COMPRISING A TUBULAR MILLING ELEMENT AND A SCREENING ELEMENT, SAID SCREENING ELEMENT INCLUDING A SHELL AND A TUBULAR SCREEN DISPOSED THEREIN, THE PERIPHERAL AREA OF SAID SCREEN BEING FROM 1.5 TO 2 TIMES THE PERIPHERAL AREA OF SAID MILLING ELEMENT, A ROTATABLE SHAFT EXTENDING VERTICALLY THROUGH SAID DEVICE AND SUBSTANTIALLY CENTRALLY AXIALLY THEREOF, AND A PLURALITY OF FLAT, SOLID, CIRCULAR DISKS FIXEDLY DISPOSED ON SAID SHAFT IN SPACED RELATION TO EACH OTHER.
Claim 2
Independent Claim
102 words
AN APPARATUS FOR DISINTEGRATING AGGREGATES OF PRECIPITATED MAGNESIUM HYDROXIDE WHICH COMPRISES A TUBULAR DEVICE HAVING AN INLET ADJACENT A MILLING ZONE AND AN OUTLET ADJACENT A SCREENING ZONE, SAID DEVICE COMPRISING A TUBULAR MILLING ELEMENT AND A SCREENING ELEMENT, SAID SCREENING ELEMENT INCLUDING A SHELL AND A TUBULAR SCREEN DISPOSED THEREIN, THE PERIPHERAL AREA OF SAID SCREEN BEING FROM 1.5 TO 2 TIMES THE PERIPHERAL AREA OF SAID MILLING ELEMENT, A ROTATABLE SHAFT EXTENDING VERTICALLY THROUGH SAID DEVICE AND SUBSTANTIALLY CENTRALLY AXIALLY THEREOF, AND A PLURALITY OF FLAT, SOLID, CIRCULAR DISKS FIXEDLY DISPOSED ON SAID SHAFT IN SPACED RELATION TO EACH OTHER.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |