Viscometer
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Description
FIG. 1 is a left side elevational view of a viscometer showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a top and left front perspective view thereof.
Referenced Cited
U.S. Patent Documents
| 2957339 | October 1960 | Penny |
| 3053078 | September 1962 | Jewett |
| 3327825 | June 1967 | Fann |
| 3803903 | April 1974 | Lin |
| 4241601 | December 30, 1980 | Pennington |
Patent History
Patent number: D260739
Type: Grant
Filed: Nov 19, 1979
Date of Patent: Sep 15, 1981
Assignee: Halliburton Company (Duncan, OK)
Inventor: Peyton N. Randolph (Houston, TX)
Primary Examiner: Nelson C. Holtje
Attorneys: John H. Tregoning, Thomas R. Weaver, Lucian Wayne Beavers
Application Number: 6/95,364
Type: Grant
Filed: Nov 19, 1979
Date of Patent: Sep 15, 1981
Assignee: Halliburton Company (Duncan, OK)
Inventor: Peyton N. Randolph (Houston, TX)
Primary Examiner: Nelson C. Holtje
Attorneys: John H. Tregoning, Thomas R. Weaver, Lucian Wayne Beavers
Application Number: 6/95,364
Classifications
