Patent
   D340666
Priority
Jan 18 1991
Filed
Jan 18 1991
Issued
Oct 26 1993
Expiry
Oct 26 2007
Assg.orig
Entity
unknown
11
4
n/a
The ornamental design for a precious stone, as shown and described.

FIG. 1 is a top plan view of a precious stone showing my new design;

FIG. 2 is a side elevational view, the opposite side view being a mirror image; and,

FIG. 3 is a bottom plan view.

Schachter, Michael Z.

Patent Priority Assignee Title
D354014, Apr 01 1993 Diamond
D368232, Nov 02 1992 Gemstone
D382507, Apr 25 1996 Ovadia Yosef Diamonds Ltd. Gemstone
D389425, Sep 22 1994 Multiple culet gem
D391518, Jan 23 1996 Gemstone
D498698, Jun 19 2003 Irregular octagonal diamond cut
D502123, Dec 15 2003 Star Diamond Group, Inc. Harmony cut gemstone
D513205, Nov 02 2004 Nelson Jewellery Arts Company Ltd. Lemon shaped diamond
D543894, Aug 03 2006 Cut gemstone
D879846, Jun 01 2017 SUMITOMO ELECTRIC HARDMETAL CORP. Dresser component for grindstone
D879847, Jun 01 2017 SUMITOMO ELECTRIC HARDMETAL CORP. Dresser component for grindstone
Patent Priority Assignee Title
4020649, May 27 1976 Brilliantized step cut diamond
BE649337,
CH14,
62383,
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