Sampling depth bob

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Description

FIG. 1 is a right side elevational view of a sampling depth bob showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D160541 October 1950 Rippon
D190299 May 1961 Krueger
D235626 July 1975 Covey
1947592 February 1934 Haller
2163402 June 1939 Mason
2634612 April 1953 Quist
Patent History
Patent number: D260974
Type: Grant
Filed: Oct 25, 1979
Date of Patent: Sep 29, 1981
Inventor: N. Lewis Lesser (Glen Ridge, NJ)
Primary Examiner: Nelson C. Holtje
Application Number: 6/87,999
Classifications
Current U.S. Class: Liquid Quantity Level (D10/101); Linear Or Distance (9) (D10/70); Geometric (5) (D10/61)
International Classification: D1004;