Patent
   D254310
Priority
Dec 21 1977
Filed
Dec 21 1977
Issued
Feb 26 1980
Expiry
Feb 26 1994
Assg.orig
Entity
unknown
1
3
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The ornamental design for a diazo developer apparatus, substantially as shown and described.

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.

Zick, David L.

Patent Priority Assignee Title
D312652, Apr 20 1988 FUJI PHOTO FILM CO , LTD , NO 210 NAKANUMA, MINAMI-ASHIGARA-SHI, KANAGAWA, JAPAN Copying machine
Patent Priority Assignee Title
228152,
237829,
240162,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 21 1977GAF Corporation(assignment on the face of the patent)
May 26 1982GAF CorporationR Q O HOLDING COMPANY INCASSIGNMENT OF ASSIGNORS INTEREST 0040060585 pdf
Apr 06 1990R Q O HOLDING COMPANY, INC CONGRESS FINANCIAL CORPORATION, A CA CORP SECURITY INTEREST SEE DOCUMENT FOR DETAILS 0053280029 pdf
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