Patent US3238048A successfully refreshed from Google Patents.
US3238048A
Expired / Lapsed
US
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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
2026-10-26 12:25
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
87 words
IN A PROCESS FOR MANUFACTURING CRAMICS, 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 DEFLUOCCULATING ABILITY TO PREVENT PACKING IN THE BALL MILL AND SUFFICIENT BINDING ABILITY TO AFFORD GREEN STRENTGH FOR A COMPACTED CERAMIC ARTICLE, THE WEIGHT RATIO OF GRINDING BALLS TO BTCH BEING AT LEAST 10 TO 1 TO PRODUCE A HIGH DENSITY, FREE FLOWING, FINELY DIVIDED CERAMIC POWDER.
Claim 2
Dependent Claim
87 words
IN A PROCESS FOR MANUFACTURING CRAMICS, 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 DEFLUOCCULATING ABILITY TO PREVENT PACKING IN THE BALL MILL AND SUFFICIENT BINDING ABILITY TO AFFORD GREEN STRENTGH FOR A COMPACTED CERAMIC ARTICLE, THE WEIGHT RATIO OF GRINDING BALLS TO BTCH BEING AT LEAST 10 TO 1 TO PRODUCE A HIGH DENSITY, 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 |