US2933766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Granulation method
Assignee: Individual
•
Filing: 1957-04-29
•
Granted: 1960-04-26
•
Expires: 1977-04-29
Abstract
No abstract record available.
Inventors
- 👤 Fred A Bickford
- 👤 Forrest I Peters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:20
CPC Classifications
C; C04; C04B; C04B33/00; C04B33/28; B; B01; B01J; B01J2/00; B01J2/20; C04B33/30; Y; Y10; Y10S; Y10S425/00; Y10S425/101
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
THE METHOD OF GRANULATING A FINELY DIVIDED CERAMIC POWDER WHICH COMPRISES MIXING SAID POWDER WITH ABOUT THE AMOUNT OF WATER DESIRED IN THE GRANULATED PRODUCT AND ENOUGH MORE OF AN ORGANIC LIQUID THAT IS MORE VOLATILE THAN WATER AND INERT TO SAID CERAMIC POWDER TO FORM A PLASTIC MASS OF THE DESIRED CONSISTENCY, SUBDIVIDING THE PLASTIC MASS INTO COARSE PARTICLES, INTRODUCING THESE PARTICLES OVER AT LEAST ONE SCREEN OF SELECTED MESH SIZE, CAUSING THE MATERIAL TO PASS DOWNWARDLY THROUGH SAID SCREEN WHILE SIMULTANEOUSLY EXPOSING THE MATERIAL TO A CURRENT OF AIR WHEREBY THE MORE VOLATILE ORGANIC LIQUID IS SUBSTANTIALLY REMOVED AND GRANULATION OF THE MATERIAL IS EFFECTED.
Claim 2
Independent Claim
107 words
THE METHOD OF GRANULATING A FINELY DIVIDED CERAMIC POWDER WHICH COMPRISES MIXING SAID POWDER WITH ABOUT THE AMOUNT OF WATER DESIRED IN THE GRANULATED PRODUCT AND ENOUGH MORE OF AN ORGANIC LIQUID THAT IS MORE VOLATILE THAN WATER AND INERT TO SAID CERAMIC POWDER TO FORM A PLASTIC MASS OF THE DESIRED CONSISTENCY, SUBDIVIDING THE PLASTIC MASS INTO COARSE PARTICLES, INTRODUCING THESE PARTICLES OVER AT LEAST ONE SCREEN OF SELECTED MESH SIZE, CAUSING THE MATERIAL TO PASS DOWNWARDLY THROUGH SAID SCREEN WHILE SIMULTANEOUSLY EXPOSING THE MATERIAL TO A CURRENT OF AIR WHEREBY THE MORE VOLATILE ORGANIC LIQUID IS SUBSTANTIALLY REMOVED AND GRANULATION OF THE MATERIAL IS EFFECTED.
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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) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |