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Patent
   D480097
Priority
Apr 30 2002
Filed
Apr 30 2002
Issued
Sep 30 2003
Expiry
Sep 30 2017
Inventors
Weir, Davi…
Assg.orig
Assg.curr
Entity
unknown
Referenced by
0
References
8
Maint.:
n/a
The ornamental design for a ideal cut diamond symmetry and proportion viewer, as shown.

FIG. 1 is a top and side view of an ideal cut diamond symmetry and proportion viewer embodying my new design;

FIG. 2 is a side view thereof;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof.
INVENTORS:

Weir, David Alan

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3131593,
3410635,
4776653, Oct 16 1987 The Merton Company, Ltd. Amusement device with kaleidoscope viewer
5469297, May 21 1993 Kaleidoscope kit
6305808, Apr 22 1998 Ochi International Kabushiki Kaisha Kaleidoscope
D271308, Mar 06 1981 Ridgecrest, Inc. Combined holder and magnifier for gem examination
D350163, May 04 1990 Kaleidoscope
D351176, Oct 27 1992 GIA Gem Institute Corporation Darkfield loupe
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