US3203457A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Comminuting apparatus
Assignee: Braun GmbH
•
Filing: 1962-01-11
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Granted: 1965-08-31
•
Expires: 1982-01-11
Abstract
No abstract record available.
Inventors
- 👤 Minet Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:02
CPC Classifications
A; A47; A47J; A47J19/00; A47J19/02; A47J19/027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
APPARATUS FOR FINELY COMMUNITING SUBSTANCES COMPRISING, IN COMBINATION, A STATOR INCLUDING STATIONARY ANNULAR SIEVE MEANS; A ROTOR COAXIALLY RECEIVED WITHIN SAID STATOR, SAID ROTOR HAVING A TOOTHED UPPER SURFACE AND HAVING A PERIPHERAL SURFACE FACING SAID SIEVE MEANS AND DEFINING THEREWITH AN ANNULAR COMMINUTING COMPARTMENT FOR RECEIVING THE SUBSTANCES PARTLY COMMINUTED BY SAID TOOTHED UPPER SURFACE, SAID ROTOR BEING FORMED AT SAID PERIPHERAL SURFACE WITH A CONTINUOUS SCREW THREAD FORMING A HELICAL CUTTING EDGE DIRECTED TOWARD SAID SIEVE MEANS FOR FURTHER COMMINUTING SAID SUBSTANCES AND FOR FEEDING THE SAME IN AXIAL DIRECTION OF SAID ROTOR, AND A PLURALITY OF NARROW, ELONGATED WEDGE-SHAPED PROJECTIONS PROJECTING FROM SAID THREADS IN SUCH A MANNER THAT THE FREE ENDS OF SAID PROJECTIONS ARE SPACED CLOSER TO SAID SIEVE MEANS THAN SAID CUTTING EDGE, SAID PROJECTIONS BEING SPACED FROM EACH OTHER IN CIRCUMFERENTIAL DIRECTION AND PROJECTIONS AT ADJACENT THREADS BEING STAGGERED WITH RESPECT TO EACH OTHER; AND MEANS CONNECTED TO SAID ROTOR FOR ROTATING THE SAME AT HIGH SPEED ABOUT ITS AXIS.
Claim 2
Dependent Claim
167 words
APPARATUS FOR FINELY COMMUNITING SUBSTANCES COMPRISING, IN COMBINATION, A STATOR INCLUDING STATIONARY ANNULAR SIEVE MEANS; A ROTOR COAXIALLY RECEIVED WITHIN SAID STATOR, SAID ROTOR HAVING A TOOTHED UPPER SURFACE AND HAVING A PERIPHERAL SURFACE FACING SAID SIEVE MEANS AND DEFINING THEREWITH AN ANNULAR COMMINUTING COMPARTMENT FOR RECEIVING THE SUBSTANCES PARTLY COMMINUTED BY SAID TOOTHED UPPER SURFACE, SAID ROTOR BEING FORMED AT SAID PERIPHERAL SURFACE WITH A CONTINUOUS SCREW THREAD FORMING A HELICAL CUTTING EDGE DIRECTED TOWARD SAID SIEVE MEANS FOR FURTHER COMMINUTING SAID SUBSTANCES AND FOR FEEDING THE SAME IN AXIAL DIRECTION OF SAID ROTOR, AND A PLURALITY OF NARROW, ELONGATED WEDGE-SHAPED PROJECTIONS PROJECTING FROM SAID THREADS IN SUCH A MANNER THAT THE FREE ENDS OF SAID PROJECTIONS ARE SPACED CLOSER TO SAID SIEVE MEANS THAN SAID CUTTING EDGE, SAID PROJECTIONS BEING SPACED FROM EACH OTHER IN CIRCUMFERENTIAL DIRECTION AND PROJECTIONS AT ADJACENT THREADS BEING STAGGERED WITH RESPECT TO EACH OTHER; AND MEANS CONNECTED TO SAID ROTOR FOR ROTATING THE SAME AT HIGH SPEED ABOUT ITS AXIS.
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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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |