US2944986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming spherical masses
Assignee: Minerals & Chemicals Corp Of A
•
Filing: 1956-04-11
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Granted: 1960-07-12
•
Expires: 1976-04-11
Abstract
No abstract record available.
Inventors
- 👤 Manly J Powell
- 👤 Tom A Cecil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:12
CPC Classifications
B; B01; B01J; B01J2/00; B01J2/02; B01J2/06; B01J21/00; B01J21/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
AN APPARATUS FOR FORMING SOLID SPHERICAL MASSES FROM A SOLID CONTAINING LIQUID CAPABLE OF YIELDING SUCH MASSES UPON DISPERSION THEREOF IN A SECOND LIQUID WHICH IS AT LEAST PARTIALLY IMMISCIBLE THEREWITH, COMPRISING A VERTICALLY DISPOSED VESSEL OF CIRCULAR TRANSVERSE CROSS SECTION, HAVING A BOTTOM CLOSURE FORMED BY INWARDLY AND DOWNWARDLY CONVERGING SIDES, FOR CONTAINING SAID SECOND LIQUID, ROTATING PADDLE MEANS IN SAID LIQUID CONTAINING VESSEL FOR CAUSING THE LIQUID THEREIN TO SWIRL AND FORM A VORTEX, MEANS FOR DISPERSING SAID SOLIDS CONTAINING LIQUID IN SAID SWIRLING LIQUID IN SAID VESSEL TO FORM SOLID SHPERICAL MASSES THEREIN, AND MEANS FOR REMOVING THE SOLID SPHERICAL MASSES FROM SAID VESSEL.
Claim 2
Independent Claim
107 words
AN APPARATUS FOR FORMING SOLID SPHERICAL MASSES FROM A SOLID CONTAINING LIQUID CAPABLE OF YIELDING SUCH MASSES UPON DISPERSION THEREOF IN A SECOND LIQUID WHICH IS AT LEAST PARTIALLY IMMISCIBLE THEREWITH, COMPRISING A VERTICALLY DISPOSED VESSEL OF CIRCULAR TRANSVERSE CROSS SECTION, HAVING A BOTTOM CLOSURE FORMED BY INWARDLY AND DOWNWARDLY CONVERGING SIDES, FOR CONTAINING SAID SECOND LIQUID, ROTATING PADDLE MEANS IN SAID LIQUID CONTAINING VESSEL FOR CAUSING THE LIQUID THEREIN TO SWIRL AND FORM A VORTEX, MEANS FOR DISPERSING SAID SOLIDS CONTAINING LIQUID IN SAID SWIRLING LIQUID IN SAID VESSEL TO FORM SOLID SHPERICAL MASSES THEREIN, AND MEANS FOR REMOVING THE SOLID SPHERICAL MASSES FROM SAID VESSEL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |