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Patent
   D271774
Priority
Jul 15 1981
Filed
Dec 14 1981
Issued
Dec 13 1983
Expiry
Dec 13 1997
Inventors
Vikoler, F…
Assg.orig
DURST A G …
Assg.curr
Durst A.G.…
Entity
unknown
Referenced by
0
References
7
Maint.:
n/a
The ornamental design for a photographic enlarging apparatus, as shown and described.

FIG. 1 is a top and left front perspective view of a photographic enlarging apparatus showing my new design;

FIG. 2 is a bottom and right rear perspective view thereof.
INVENTORS:

Vikoler, Florian

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3522991,
3767301,
4235543, Sep 04 1979 Polaroid Corporation Microfiche camera with lens and film transport system
111244,
239206,
D260903, Jun 04 1979 BANKERS TRUST COMPANY, AS AGENT Microfilm camera
99422,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 26 1981VIKOLER, FLORIANDURST A G FABRIK FOTOTECHNISCHER APPARATEASSIGNMENT OF ASSIGNORS INTEREST 0039680719 pdf
Dec 14 1981Durst A.G. Fabrik Fototechnischer Apparate(assignment on the face of the patent)
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