Malfunction display panel for xerographic copying machine
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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
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;
International Classification: D1603;