Sump pump failure alarm

Description

FIG. 1 is a front, top and side perspective view of the sump pump failure alarm showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view thereof, the side opposite being a mirror image of the side shown in FIG. 4;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D194293 December 1962 Sullivan
D311703 October 30, 1990 Kern
4369438 January 18, 1983 Wilhelmi
4377809 March 22, 1983 Lawford
4456432 June 26, 1984 Mannino
Patent History
Patent number: D353548
Type: Grant
Filed: Mar 14, 1994
Date of Patent: Dec 20, 1994
Inventor: David K. Witzke (Stayner, ON)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Marcus Jackson
Attorney: Terry M. Gernstein
Application Number: 0/19,840
Classifications
Current U.S. Class: D10/106