Diazo developer apparatus

- GAF Corporation
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Description

FIG. 1 is a front perspective view of a diazo developer apparatus 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, the opposite side being a mirror image thereof;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D228152 August 1973 Matwey
D237829 November 1975 Donneux
D240162 June 1976 Matwey
Other references
  • Super Diazo Advertisement Brochure Submitted by applicant in prior art statement (7-19-78).
Patent History
Patent number: D254310
Type: Grant
Filed: Dec 21, 1977
Date of Patent: Feb 26, 1980
Assignee: GAF Corporation (New York, NY)
Inventor: David L. Zick (Johnson City, NY)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Catherine Kemper
Attorney: Walter C. Kehm
Application Number: 5/863,336
Classifications
Current U.S. Class: D16/31
International Classification: D1603;