US3147955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for dispersing finely-divided solids in liquids
Assignee: Union Carbide Corp
•
Filing: 1960-08-15
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Granted: 1964-09-08
•
Expires: 1980-08-15
Abstract
No abstract record available.
Inventors
- 👤 John K Harvey
- 👤 Paul E Boliek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:30
CPC Classifications
B; B01; B01F; B01F23/00; B01F23/50; B01F25/00; B01F25/70; B01F25/72; B01F25/721
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
AN APPARATUS FOR DISPERSING FINELY-DIVIDED SOLIDS IN LIQUIDS WHICH COMPRISES AN OPEN-ENDED, DOWNWARDLY-EXTENDING, CYLINDRICAL MIXER TUBE; A PLURALITY OF APERTURES THROUGH THE WALL OF SAID TUBE, SAID APERTURES BEING CIRCUMFERENTIALLY DISPOSED AROUND THE WALL OF SAID MIXER TUBE IN A PLURALITY OF ROWS, EACH ROW BEING IN A PLANE THAT IS SUBSTANTIALLY PERPENDICULAR TO THE AXIS OF SAID TUBE, WHEREIN SAID APERTURES ARE DOWNWARDLY SLANTED, WHEREIN ALL APERTURES OF ANY ONE OF SAID ROWS ARE SLANTED DOWNWARDLY AT THE SAME ANGLE, AND WHEREIN THE APERTURES OF ANY ONE ROW ARE SLANTED DOWNWARDLY AT A GREATER ANGLE FROM THE HORIZONTAL THAN THE APERTURES OF THE NEXT LOWER ROW SUCH THAT STREAMS OF LIQUID ENTERING SAID TUBE THROUGH SAID APERTURES ALL CONVERGE IN SUBSTANTIALLY THE SAME HORIZONTAL PLANE; A JACKET AROUND SAID TUBE WHICH ENCLOSES SAID APER-
Claim 2
Independent Claim
135 words
AN APPARATUS FOR DISPERSING FINELY-DIVIDED SOLIDS IN LIQUIDS WHICH COMPRISES AN OPEN-ENDED, DOWNWARDLY-EXTENDING, CYLINDRICAL MIXER TUBE; A PLURALITY OF APERTURES THROUGH THE WALL OF SAID TUBE, SAID APERTURES BEING CIRCUMFERENTIALLY DISPOSED AROUND THE WALL OF SAID MIXER TUBE IN A PLURALITY OF ROWS, EACH ROW BEING IN A PLANE THAT IS SUBSTANTIALLY PERPENDICULAR TO THE AXIS OF SAID TUBE, WHEREIN SAID APERTURES ARE DOWNWARDLY SLANTED, WHEREIN ALL APERTURES OF ANY ONE OF SAID ROWS ARE SLANTED DOWNWARDLY AT THE SAME ANGLE, AND WHEREIN THE APERTURES OF ANY ONE ROW ARE SLANTED DOWNWARDLY AT A GREATER ANGLE FROM THE HORIZONTAL THAN THE APERTURES OF THE NEXT LOWER ROW SUCH THAT STREAMS OF LIQUID ENTERING SAID TUBE THROUGH SAID APERTURES ALL CONVERGE IN SUBSTANTIALLY THE SAME HORIZONTAL PLANE; A JACKET AROUND SAID TUBE WHICH ENCLOSES SAID APER-
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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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |