Malfunction display panel for xerographic copying machine

Description

FIG. 1 is a front elevational view of a malfunction display panel for xerographic copying machine, showing our new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a top plan view thereof, the bottom plan view being a mirror image of said top plan view; and

FIG. 4 is a left side elevation thereof, the right side elevation view being a mirror image of said left side view.

The lines shown on the front surface in FIG. 1 indicate transparent areas on an otherwise opaque surface. The black circles indicate transparent areas within which opaque letters and numerals are located.

Referenced Cited
U.S. Patent Documents
3309712 March 1967 Cole
3573792 April 1971 Reed
3717117 February 1973 Stanley
3887913 June 1975 Smith
Patent History
Patent number: D254076
Type: Grant
Filed: Mar 30, 1978
Date of Patent: Jan 29, 1980
Assignee: Van Dyk Research Corporation (Whippany, NJ)
Inventors: Fred J. Breitenkam (Randolph, NJ), James E. Landrith (Andover, NJ)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Catherine Kemper
Attorney: Arthur L. Lessler
Application Number: 5/891,946
Classifications
Current U.S. Class: D16/32
International Classification: D1603;