Level-alert sensor

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Description

FIG. 1 is a top, front. left side perspective view of the level-alert sensor of the present invention;

FIG. 2 is a top plan view of the level-alert sensor of FIG. 1;

FIG. 3 is a front elevational view of the level-alert sensor of FIG. 1;

FIG. 4 is a top, front, right side perspective view of the level-alert sensor of FIG. 1; and,

FIG. 5 is a top, rear, right side perspective view of the level-alert sensor of FIG. 1.

Referenced Cited
U.S. Patent Documents
D313567 January 8, 1991 Henry et al.
D316231 April 16, 1991 Inglima
Patent History
Patent number: D423970
Type: Grant
Filed: Jul 23, 1999
Date of Patent: May 2, 2000
Inventor: Alvin J Waldner (Elkton, SD)
Primary Examiner: Marcus A. Jackson
Application Number: 0/108,310
Classifications
Current U.S. Class: D10/104
International Classification: 1005;