Density measuring balance

- Halliburton Services
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Description

FIG. 1 is a front elevational view of a density measuring scale showing my new design, the rear being substantially a mirror image thereto;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D98977 March 1936 Bennett
D186243 September 1959 Moore et al.
2132736 October 1938 Jones
3057421 October 1962 Fann
3747415 July 1973 Nickles et al.
Patent History
Patent number: D262693
Type: Grant
Filed: Mar 17, 1980
Date of Patent: Jan 19, 1982
Assignee: Halliburton Services (Duncan, OK)
Inventor: David E. Cain (Houston, TX)
Primary Examiner: Nelson C. Holtje
Attorneys: John H. Tregoning, Thomas R. Weaver, Lucian Wayne Beavers
Application Number: 6/130,965
Classifications
Current U.S. Class: Beam Or Balance Type (D10/90); Weight, Force Or Density (D10/83)
International Classification: D1004;