Patent US3194057A successfully refreshed from Google Patents.
US3194057A
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Ultrasonic viscosimeter
Assignee: Individual
•
Filing: 1962-10-15
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Granted: 1965-07-13
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Expires: 1982-10-15
Abstract
No abstract record available.
Inventors
- 👤 Joseph D Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:24
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/02; G01N29/032; G01N11/00; G01N2291/00; G01N2291/02; G01N2291/028; G01N2291/02818; G01N2291/02836
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
APPARATUS FOR DETERMINING THE VISCOSITY OF A FLUID COMPRISING: AN ELONGATED ABSORPTION CHAMBER ADAPTED TO ACCOMMODATE THE INFLOW OF A VISCOUS FLUID AT ONE END AND A CORRESPONDING OUTFLOW AT THE OTHER END; A POROUS SOLID MATERIAL WITHIN THE CENTRAL PORTION OF THE SAID CHAMBER MEANS FOR TRANSMITTING A BEAM OF ULTRASONIC ENERGY ALONG THE MAJOR AXIS OF THE SAID CHAMBER SO AS TO PASS THROUGH THE SAID POROUS SOLID; MEANS FOR RECEIVING AT LEAST A PORTION OF THE ULTRASONIC ENERGY AFTER HAVING TRAVERSED THE SAID POROUS SOLID; MEANS FOR MEASURING THE ABSORPTION OF THE SAID ULTRASONIC ENERGY CAUSED BY VISCOUS INTERACTION BETWEEN THE SURFACE OF THE SAID POROUS SOLID AND THE SAID VISCOUS FLUID; AND MEANS FOR INDICATING THE VISCOSITY OF THE SAID FLUID AS A FUNCTION OF THE SAID MEASURED ABSORPTION.
Claim 2
Dependent Claim
133 words
APPARATUS FOR DETERMINING THE VISCOSITY OF A FLUID COMPRISING: AN ELONGATED ABSORPTION CHAMBER ADAPTED TO ACCOMMODATE THE INFLOW OF A VISCOUS FLUID AT ONE END AND A CORRESPONDING OUTFLOW AT THE OTHER END; A POROUS SOLID MATERIAL WITHIN THE CENTRAL PORTION OF THE SAID CHAMBER MEANS FOR TRANSMITTING A BEAM OF ULTRASONIC ENERGY ALONG THE MAJOR AXIS OF THE SAID CHAMBER SO AS TO PASS THROUGH THE SAID POROUS SOLID; MEANS FOR RECEIVING AT LEAST A PORTION OF THE ULTRASONIC ENERGY AFTER HAVING TRAVERSED THE SAID POROUS SOLID; MEANS FOR MEASURING THE ABSORPTION OF THE SAID ULTRASONIC ENERGY CAUSED BY VISCOUS INTERACTION BETWEEN THE SURFACE OF THE SAID POROUS SOLID AND THE SAID VISCOUS FLUID; AND MEANS FOR INDICATING THE VISCOSITY OF THE SAID FLUID AS A FUNCTION OF THE SAID MEASURED ABSORPTION.
References Cited (Backward Citations)
US2755662A
Cited
US2966056A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |