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Patent US3238049A successfully refreshed from Google Patents.
US3238049A
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Dry grinding of ceramics
Assignee: Motors Liquidation Co
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Filing: 1963-01-23
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Granted: 1966-03-01
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Expires: 1983-01-23
Abstract
No abstract record available.
Inventors
- 👤 Arthur V Somers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:39
CPC Classifications
C; C04; C04B; C04B33/00; C04B33/02; C04B33/13; C04B33/1305; B; B02; B02C; B02C23/00; B02C23/06; C04B35/00; C04B35/622; C04B35/626; C04B35/63; C04B35/632
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
IN A PROCESS FOR MANUFACTURING CERAMICS, THE STEP OF DRY GRINDING IN A BALL MILL A PARTICULATE CERAMIC BATCH IN ADMIXTURE WITH A SMALL BUT EFFECTIVE AMOUNT OF AN ORGANIC MATERIAL HAVING DEFLOCCULANT AND BINDER PROPERTIES, SAID MATERIAL HAVING SUFFICIENT DEFLOCCULATING ABILTIY TO PREVENT PACKING I THE BALL MILL AND SUFFICIENT BINDING ABILITY TO AFFORD GREEN STRENGTH FOR A COMPACTED CERAMIC ARTICLE, SAID MATERIAL CONTAINING A QUANTITY OF AN ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALKYLENE GLYCOLS AND POLYALKYLENE GLYCOLS HAVING SUFFICIENT DEFLOCCULATING ABILITY TO PREVENT PACKING IN A BALL MILL, TO PRODUCE A FREE FLOWING, FINELY DIVIDED CERAMIC POWDER.
Claim 2
Dependent Claim
102 words
IN A PROCESS FOR MANUFACTURING CERAMICS, THE STEP OF DRY GRINDING IN A BALL MILL A PARTICULATE CERAMIC BATCH IN ADMIXTURE WITH A SMALL BUT EFFECTIVE AMOUNT OF AN ORGANIC MATERIAL HAVING DEFLOCCULANT AND BINDER PROPERTIES, SAID MATERIAL HAVING SUFFICIENT DEFLOCCULATING ABILTIY TO PREVENT PACKING I THE BALL MILL AND SUFFICIENT BINDING ABILITY TO AFFORD GREEN STRENGTH FOR A COMPACTED CERAMIC ARTICLE, SAID MATERIAL CONTAINING A QUANTITY OF AN ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALKYLENE GLYCOLS AND POLYALKYLENE GLYCOLS HAVING SUFFICIENT DEFLOCCULATING ABILITY TO PREVENT PACKING IN A BALL MILL, TO PRODUCE A FREE FLOWING, FINELY DIVIDED CERAMIC POWDER.
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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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |