Patent
   D257770
Priority
Sep 22 1978
Filed
Sep 22 1978
Issued
Jan 06 1981
Expiry
Jan 06 1995
Assg.orig
Entity
unknown
4
3
n/a
The ornamental design for a double viewer cartridge, substantially as shown and described.

FIG. 1 is a front, top, and right side perspective view of a double viewer cartridge showing my new design;

FIG. 2 is a front elevational view thereof, the rear view being identical to the side shown;

FIG. 3 is a right side view thereof, the left side view being identical to the side shown;

FIG. 4 is a top view thereof; and

FIG. 5 is a bottom view thereof.

Loofbourow, Donald I.

Patent Priority Assignee Title
4811058, Jan 11 1988 Eastman Kodak Company Microfilm Cassette
D393460, Oct 15 1996 International Business Machines Corporation Cartridge for double sided magnetic tape
D421426, Jun 24 1997 Intel Corporation Indented portion of a processor package cover plate
D426202, Jun 09 1998 Intel Corporation Indented portion of a processor package cover plate
Patent Priority Assignee Title
3425531,
3537780,
221999,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 15 1978LOOFBOUROW DONALD I GAF CorporationASSIGNMENT OF ASSIGNORS INTEREST 0038000739 pdf
Sep 22 1978GAF Corporation(assignment on the face of the patent)
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