Patent US5664842A successfully refreshed from Google Patents.
Patent US3398900A successfully refreshed from Google Patents.
US3398900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High shear dispersion unit
Assignee: Individual
•
Filing: 1966-11-23
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Granted: 1968-08-27
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Expires: 1986-11-23
Abstract
No abstract record available.
Inventors
- 👤 Guba Peter
- 👤 Sweeney Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:35
CPC Classifications
B; B01; B01F; B01F35/00; B01F35/90; B01F35/92; B02; B02C; B02C7/00; B02C7/175; B01F35/95
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
A DISPERSION UNIT COMPRISING A HOLLOW ROTOR AND A HOLLOW STATOR HAVING CONICAL COOPERATING SURFACES, A TUBULAR SPINDLE COUPLED WITH THE ROTOR, THE ROTOR HAVING A CHAMBER WITH WHICH THE BORE OF SAID SPINDLE COMMUNICATES, A SMALL DIAMETER TUBE ARRANGED IN THE BORE OF SAID SPINDLE AND HAVING ONE END EXTENDING AND OPENING INTO SAID CHAMBER, MEANS AT THE OTHER END OF SAID TUBE AND THE CORRESPONDING END OF SAID SPINDLE FOR INTRODUCING AND DISCHARGING A TEMPERATURE CONTROL MEDIUM WITH RESPECT TO SAID CHAMBER IN CONTROLLING THE TEMPERATURE OF MATERIAL PROCESSED BY SAID ROTOR, MEANS COUPLED WITH SAID STATOR FOR ADJUSTING THE SPACING BETWEEN THE COOPERATING SURFACES OF THE ROTOR AND STATOR, A JACKET SPACED FROM AND ENVELOPING SAID STATOR, MEANS FOR SEALING THE JACKET ON FLAT ENDS OF SAID STATOR, MEANS FOR INTRODUCING AND DISCHARGING A TEMPERATURE CONTROL MEDIUM WITH RESPECTS TO SAID JACKET TO FURTHER CONTROL THE TEMPERATURE OF THE MATERIAL PROCESSED IN SAID STATOR, MEANS FOR DRIVING SAID ROTOR, MEANS PASSING THROUGH SAID JACKET AND COUPLED WITH SAID STATOR FOR DELIVERY OF A PRESSURE FED BLENDED MATE-
Claim 2
Dependent Claim
180 words
A DISPERSION UNIT COMPRISING A HOLLOW ROTOR AND A HOLLOW STATOR HAVING CONICAL COOPERATING SURFACES, A TUBULAR SPINDLE COUPLED WITH THE ROTOR, THE ROTOR HAVING A CHAMBER WITH WHICH THE BORE OF SAID SPINDLE COMMUNICATES, A SMALL DIAMETER TUBE ARRANGED IN THE BORE OF SAID SPINDLE AND HAVING ONE END EXTENDING AND OPENING INTO SAID CHAMBER, MEANS AT THE OTHER END OF SAID TUBE AND THE CORRESPONDING END OF SAID SPINDLE FOR INTRODUCING AND DISCHARGING A TEMPERATURE CONTROL MEDIUM WITH RESPECT TO SAID CHAMBER IN CONTROLLING THE TEMPERATURE OF MATERIAL PROCESSED BY SAID ROTOR, MEANS COUPLED WITH SAID STATOR FOR ADJUSTING THE SPACING BETWEEN THE COOPERATING SURFACES OF THE ROTOR AND STATOR, A JACKET SPACED FROM AND ENVELOPING SAID STATOR, MEANS FOR SEALING THE JACKET ON FLAT ENDS OF SAID STATOR, MEANS FOR INTRODUCING AND DISCHARGING A TEMPERATURE CONTROL MEDIUM WITH RESPECTS TO SAID JACKET TO FURTHER CONTROL THE TEMPERATURE OF THE MATERIAL PROCESSED IN SAID STATOR, MEANS FOR DRIVING SAID ROTOR, MEANS PASSING THROUGH SAID JACKET AND COUPLED WITH SAID STATOR FOR DELIVERY OF A PRESSURE FED BLENDED MATE-
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) | 1971-08-27 | 1972-02-26 | 1972-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-27 | 1976-02-26 | 1976-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-27 | 1980-02-26 | 1980-08-27 | $7700.00 | Window Closed / Lapsed |