US3252809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry grinding of ceramics
Assignee: Motors Liquidation Co
•
Filing: 1963-01-23
•
Granted: 1966-05-24
•
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
2026-10-27 09:51
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; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2991
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
IN A PROCESS FOR MANUFACTURING CERAMIC ARTICLES INCLUDING THE STEPS OF GRINDING A PARTICULATE CERAMIC BATCH, FORMING A COMPACTED ARTICLE AND FIRING SAID COMPACTED ARTICLE, 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 DEFLOCCULATING AND FLOCCULATING ABILITY TO PREVENT PACKING IN THE BALL MILL AND SUFFICIENT BINDING ABILITY TO AFFORD GREEN STRENGTH FOR A COMPACTED CERAMIC ARTICLE, TO PRODUCE A FREE FLOWING, FINELY DIVIDED CERAMIC POWDER.
Claim 2
Dependent Claim
84 words
IN A PROCESS FOR MANUFACTURING CERAMIC ARTICLES INCLUDING THE STEPS OF GRINDING A PARTICULATE CERAMIC BATCH, FORMING A COMPACTED ARTICLE AND FIRING SAID COMPACTED ARTICLE, 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 DEFLOCCULATING AND FLOCCULATING ABILITY TO PREVENT PACKING IN THE BALL MILL AND SUFFICIENT BINDING ABILITY TO AFFORD GREEN STRENGTH FOR A COMPACTED CERAMIC ARTICLE, 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) | 1969-05-23 | 1969-11-22 | 1970-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-23 | 1973-11-22 | 1974-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-23 | 1977-11-22 | 1978-05-24 | $7700.00 | Window Closed / Lapsed |