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Patent
   D338851
Priority
Sep 28 1989
Filed
Mar 28 1990
Issued
Aug 31 1993
Expiry
Aug 31 2007
Inventors
D'Haene, J.
Assg.orig
NIPPON MAR…
Assg.curr
KUWAYAMA E…
Entity
unknown
Referenced by
47
References
9
Maint.:
n/a
The ornamental design for a gemstone, as shown.

FIG. 1 is a top plan view of the gemstone;

FIG. 2 is a bottom plan view;

FIG. 3 is a front elevational view;

FIG. 4 is a side elevational view; and,

FIG. 5 is a perspective view.
INVENTORS:

D'Haene, J.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
5970744, Dec 01 1998 Tiffany and Company Cut cornered square mixed-cut gemstone
6007907, May 30 1997 Composite jewelry stone
6171666, May 30 1997 Composite jewelry stone
6363745, Dec 01 1998 Tiffany and Company Cut cornered square mixed-cut gemstone
D348024, Mar 20 1992 KUWAYAMA EUROPE, NAAMLOZE VENNOOTSCHAP Precious stone
D348413, Oct 01 1992 HENRY HO Diamond
D350708, Nov 02 1992 SAADA, SHALOM Gemstone
D384592, Mar 14 1996 Flower-shaped cut diamond
D390155, Apr 08 1997 BUTTERFLY GEM COLLECTION INC Butterfly gem cut
D391518, Jan 23 1996 Gemstone
D400817, Feb 24 1997 AMBAR DIAMONDS, INC Gemstone
D402226, May 30 1997 Jewelry stone
D405712, Jan 07 1997 Ambar Diamonds, Inc. Gemstone
D411133, Sep 01 1998 Hexagon shaped diamond
D415062, Aug 13 1998 Jewelry arrangement
D419480, Dec 18 1998 Jewelry arrangement
D420935, Nov 04 1996 Ambar Diamonds Inc. Gemstone
D421930, Aug 13 1998 Jewelry arrangement
D423396, Apr 26 1999 Gemstone
D426488, Apr 05 1999 Gemstone
D437251, Dec 18 1998 Jewelry arrangement
D442114, Dec 01 1998 Tiffany and Company Cut cornered square mixed-cut gemstone
D446153, May 30 1997 Composite jewelry stone
D450617, Oct 27 2000 Jewelry arrangement
D459675, May 11 2001 Jewelry arrangement
D460378, Aug 20 2001 Active Japan Co., Ltd. Jewelry stone
D462289, May 11 2001 Jewelry arrangement
D463315, May 14 2001 Tiffany and Company Gemstone
D471128, Mar 29 2002 Gemstone
D474419, Aug 08 2001 Hearts on Fire Company, LLC Diamond
D480012, Apr 25 2002 Atlantic City Coin & Slot Service Company, Inc Gemstone
D483290, Dec 13 2001 Asprey Holdings Limited Diamond cut design
D486752, Dec 23 2002 Diamintangibles International Ltd. Diamond
D490741, Jan 30 2003 Gemstone
D493383, Apr 29 2003 Astra-Diamond Manufacturers Ltd. Gemstone
D494092, Oct 09 2003 Dynamic Diamond Corp.; DYNAMIC DIAMOND CORP Gem pavilion
D503649, Sep 04 2003 ROSY BLUE, N V Special cut corner princess precious stone
D511476, Dec 29 2004 Jacob, Siman-Tov; Itzhak, Siman-Tov; Avraham, Siman-Tov Gemstone
D512937, Sep 14 2004 Gemstone
D550584, Feb 11 2005 David W., So Stone cut
D565993, Apr 28 2004 Gitanjali Gems Limited Ivy cut jewel
D706668, Jul 14 2013 Gemstone
D718180, Jul 14 2013 Gemstone
D763722, May 28 2015 Gemstone
D929889, Oct 05 2020 Diamond
D934732, Sep 19 2019 Gemstone
D952508, Sep 19 2019 Gemstone
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
2340659,
3585764,
712155,
146143,
D250100, Nov 02 1977 Precious, semiprecious or synthetic cut stone
D324003, Jul 18 1989 SAADA, SHALOM Gemstone
58322,
58323,
58324,
ASSIGNMENT RECORDS    Assignment records on the USPTO
////
Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 20 1990D HAENE, J NIPPON MARKETING PARTNERS, NAAMLOZE VENNOOTSCHAP, SCHUPSTRAAT 15, B-2018 ANTWERP BELGIUM ASSIGNMENT OF ASSIGNORS INTEREST 0052650658 pdf
Mar 28 1990Nippon Marketing Partners, naamloze vennootschap(assignment on the face of the patent)
Nov 13 1997NIPPON MARKETING PARTNERSFLANDERS DIAMOND EXPORTERSCHANGE OF NAME SEE DOCUMENT FOR DETAILS 0090270690 pdf
May 15 1998FLANDERS DIAMOND EXPORTERSKUWAYAMA EUROPE, NAAMLOZE VENNOOTSCHAPASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0093670355 pdf
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