US3172441A
Expired / Lapsed
US
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Mixing and comminuting device for foods
Assignee: Licentia Patent Verwaltungs GmbH
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Filing: 1962-02-16
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Granted: 1965-03-09
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Expires: 1982-02-16
Abstract
No abstract record available.
Inventors
- 👤 Hartwig Fritz
- 👤 Kiesow Lothar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:46
CPC Classifications
B; B02; B02C; B02C18/00; B02C18/06; B02C18/08; A; A47; A47J; A47J43/00; A47J43/04; A47J43/046; A47J43/07; A47J43/08; A47J43/085; B02C18/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
IN A MIXER-COMMINUTOR HAVING A MOTOR DRIVE UNIT, THE COMBINATION WHICH COMPRISES: AN UPWARDLY TAPERING MIXING CONTAINER WHICH IS OPEN AT THE TOP; ROTATABLE CUTTING MEANS ARRANGED IN SAID CONTAINER AND EXTENDING THROUGH A PREDETERMINED VERTICAL ZONE, THE MAXIMUM INTERNAL DIAMETER OF SAID MIXING CONTAINER BEING DISPOSED DIRECTLY ABOVE SAID VERTICAL ZONE OCCUPIED BY SAID CUTTING MEANS; SAID MIXING CONTAINER HAVING, ABOVE THE LARGEST INTERNAL DIAMETER THEREOF, THE SHAPE OF A TRUNCATED CONE HAVING SUCH AN ANGLE OF INCLINATION THAT ITS TANGENT IS LARGER THAN 0.18; THE DIAMETER OF THE CIRCULAR AREA IN THE PLANE THROUGH WHICH SAID CUTTING MEANS MOVE CORRESPONDING TO ABOUT NINE-TENTHS OF THE AMOUNT OF SAID LARGEST INTERNAL DIAMETER OF SAID CONTAINER; SAID MIXING CONTAINER BEING DIVIDED INTO AN UPPER PORTION AND A GENERALLY CUPSHAPED LOWER PORTION DIAMETER OF SAID CONTAINER; AND CLAMP LARGEST INTERNAL DIAMETER OF SAID CONTAINER; AND CLAMP MEANS FOR RETAINING SAID CONTAINER PORTIONS TOGETHER.
Claim 2
Dependent Claim
152 words
IN A MIXER-COMMINUTOR HAVING A MOTOR DRIVE UNIT, THE COMBINATION WHICH COMPRISES: AN UPWARDLY TAPERING MIXING CONTAINER WHICH IS OPEN AT THE TOP; ROTATABLE CUTTING MEANS ARRANGED IN SAID CONTAINER AND EXTENDING THROUGH A PREDETERMINED VERTICAL ZONE, THE MAXIMUM INTERNAL DIAMETER OF SAID MIXING CONTAINER BEING DISPOSED DIRECTLY ABOVE SAID VERTICAL ZONE OCCUPIED BY SAID CUTTING MEANS; SAID MIXING CONTAINER HAVING, ABOVE THE LARGEST INTERNAL DIAMETER THEREOF, THE SHAPE OF A TRUNCATED CONE HAVING SUCH AN ANGLE OF INCLINATION THAT ITS TANGENT IS LARGER THAN 0.18; THE DIAMETER OF THE CIRCULAR AREA IN THE PLANE THROUGH WHICH SAID CUTTING MEANS MOVE CORRESPONDING TO ABOUT NINE-TENTHS OF THE AMOUNT OF SAID LARGEST INTERNAL DIAMETER OF SAID CONTAINER; SAID MIXING CONTAINER BEING DIVIDED INTO AN UPPER PORTION AND A GENERALLY CUPSHAPED LOWER PORTION DIAMETER OF SAID CONTAINER; AND CLAMP LARGEST INTERNAL DIAMETER OF SAID CONTAINER; AND CLAMP MEANS FOR RETAINING SAID CONTAINER PORTIONS TOGETHER.
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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) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |