Three bladed cylindrical flow meter

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Description

FIG. 1 is a top plan view of a three bladed cylindrical flow meter showing my new design.

FIG. 2 is a right side elevational view.

FIG. 3 is a front elevational view.

FIG. 4 is a rear elevational view.

Referenced Cited
U.S. Patent Documents
326207 September 1885 Favor
351140 October 1886 Walker
1052714 February 1913 Durkee
1773069 August 1930 Walker
D232922 September 1974 Niskin
Patent History
Patent number: D245484
Type: Grant
Filed: Mar 29, 1976
Date of Patent: Aug 23, 1977
Inventor: Shale J. Niskin (Coconut Grove, FL)
Primary Examiner: Nelson C. Holtje
Attorney: Salvatore G. Militana
Application Number: 5/671,663
Classifications
Current U.S. Class: Volume, Flow Or Rate (D10/96)
International Classification: D1004;