Patent US3233835A successfully refreshed from Google Patents.
US3233835A
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US
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Apparatus for milling and dispersing substances in liquid media
Assignee: Individual
•
Filing: 1962-12-04
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Granted: 1966-02-08
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Expires: 1982-12-04
Abstract
No abstract record available.
Inventors
- 👤 Sevin Roger Joseph
- 👤 Edwards George Wilfrid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:53
CPC Classifications
D; D21; D21B; D21B1/00; D21B1/04; D21B1/12; D21B1/30; D21B1/34; D21B1/342; B; B01; B01F; B01F25/00; B01F25/40; B01F25/45; B01F25/451; B01F29/00; B01F29/80; B01F29/86; B02; B02C; B02C17/00; B02C17/002; B02C17/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
AN APPARATUS FOR MILLING AND DISPERSING SUBSTANCES IN LIQUID MEDIA COMPRISING IN COMBINATION A FRAME, A BOWL MOUNTED ON SAID FRAME FOR ROTATION ABOUT A VERTICAL AXIS AND DIVIDED INTO A PLURALITY OF SUPERPOSED CHAMBERS BY PERFORATED PARTITIONS, THE PERFORATIONS IN SAID PARTITIONS BEING OF DECREASING SIZE FOR EACH SUCCESSIVELY HIGHER PARTITION, AGITATING MEANS WITHIN EACH CHAMBER, MEANS FOR INTRODUCING THE LIQUID MEDIA AND THE SUBSTANCES TO BE MILLED AND DISPERSED INTO THE LOWERMOST CHAMBER, SUCTION MEANS FOR REMOVING LIQUID MEDIA CONTAINING THE MILLED AND DISPERSED SUBSTANCES FROM THE UPPERMOST CHAMBER OF SAID BOWL, AND MEANS FOR VARYING THE DISTANCE
Claim 2
Independent Claim
100 words
AN APPARATUS FOR MILLING AND DISPERSING SUBSTANCES IN LIQUID MEDIA COMPRISING IN COMBINATION A FRAME, A BOWL MOUNTED ON SAID FRAME FOR ROTATION ABOUT A VERTICAL AXIS AND DIVIDED INTO A PLURALITY OF SUPERPOSED CHAMBERS BY PERFORATED PARTITIONS, THE PERFORATIONS IN SAID PARTITIONS BEING OF DECREASING SIZE FOR EACH SUCCESSIVELY HIGHER PARTITION, AGITATING MEANS WITHIN EACH CHAMBER, MEANS FOR INTRODUCING THE LIQUID MEDIA AND THE SUBSTANCES TO BE MILLED AND DISPERSED INTO THE LOWERMOST CHAMBER, SUCTION MEANS FOR REMOVING LIQUID MEDIA CONTAINING THE MILLED AND DISPERSED SUBSTANCES FROM THE UPPERMOST CHAMBER OF SAID BOWL, AND MEANS FOR VARYING THE DISTANCE
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |