Patent US3411557A successfully refreshed from Google Patents.
US3411557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatuses for dispersion of solid particles in liquids
Assignee: Nils Weibull AB
•
Filing: 1966-10-31
•
Granted: 1968-11-19
•
Expires: 1986-10-31
Abstract
No abstract record available.
Inventors
- 👤 Nils R M Weibull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:35
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/02; B; B01; B01F; B01F27/00; B01F27/80; B01F27/805
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
AN APPARATUS FOR DISPERSION OF SOLID PARTICLES IN A LIQUID, COMPRISING A SPINDLE, MEANS MOUNTING SAID SPINDLE FOR ROTATION IN A SUBSTANTIALLY VERTICAL POSITION, THE LOWER END OF SAID SPINDLE PROJECTING DOWNWARDLY FROM SAID MOUNTING MEANS, A DRIVE GEAR FOR ROTATING SAID SPINDLE, AN OPEN-TOP CONTAINER FOR MATERIAL TO BE TREATED COMPRISING SOLID PARTICLES IN A LIQUID, A COVER FOR SAID CONTAINER SUPPORTED BY SAID MOUNTING AND TRAVERSED BY SAID SPINDLE WHICH EXTENDS DOWNWARDLY FROM THE LOWER SIDE OF SAID COVER MEANS FOR APPLYING SAID CONTAINER AT ITS OPEN END AGAINST THE LOWER SIDE OF SAID COVER WITH SAID SPINDLE PROJECTING INTO THE CONTAINER AND HAVING ITS LOWER END NEAR THE BOTTOM THEREOF, MEANS ON SAID SPINDLE AT THE LOWER END THEREOF FOR DISPERSING SAID PARTICLES IN SAID LIQUID WHEN SAID SPINDLE IS ROTATED IN SAID CONAINER, AND AN ANNULAR FLANGE ON SAID SPINDLE REOTATABLE THEREWITH, SAID FLANGE BEING DISPOSED BENEATH THE LOWER SURFACE OF SAID COVER.
Claim 2
Independent Claim
157 words
AN APPARATUS FOR DISPERSION OF SOLID PARTICLES IN A LIQUID, COMPRISING A SPINDLE, MEANS MOUNTING SAID SPINDLE FOR ROTATION IN A SUBSTANTIALLY VERTICAL POSITION, THE LOWER END OF SAID SPINDLE PROJECTING DOWNWARDLY FROM SAID MOUNTING MEANS, A DRIVE GEAR FOR ROTATING SAID SPINDLE, AN OPEN-TOP CONTAINER FOR MATERIAL TO BE TREATED COMPRISING SOLID PARTICLES IN A LIQUID, A COVER FOR SAID CONTAINER SUPPORTED BY SAID MOUNTING AND TRAVERSED BY SAID SPINDLE WHICH EXTENDS DOWNWARDLY FROM THE LOWER SIDE OF SAID COVER MEANS FOR APPLYING SAID CONTAINER AT ITS OPEN END AGAINST THE LOWER SIDE OF SAID COVER WITH SAID SPINDLE PROJECTING INTO THE CONTAINER AND HAVING ITS LOWER END NEAR THE BOTTOM THEREOF, MEANS ON SAID SPINDLE AT THE LOWER END THEREOF FOR DISPERSING SAID PARTICLES IN SAID LIQUID WHEN SAID SPINDLE IS ROTATED IN SAID CONAINER, AND AN ANNULAR FLANGE ON SAID SPINDLE REOTATABLE THEREWITH, SAID FLANGE BEING DISPOSED BENEATH THE LOWER SURFACE OF SAID COVER.
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) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |