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Patent
   D330873
Priority
Dec 20 1990
Filed
Dec 20 1990
Issued
Nov 10 1992
Expiry
Nov 10 2006
Inventors
Kaplan, Ge…
Assg.orig
LAZARE KAP…
Assg.curr
Lazare Kap…
Entity
unknown
Referenced by
37
References
4
Maint.:
n/a
The ornamental design for a gemstone, as shown and described.

FIG. 1 is a side elevational view of a gemstone showing my new design;

FIG. 2 is an enlarged partial perspective view the central portion being omitted for ease of illustration;

FIG. 3 is a top plan view; and,

FIG. 4 is a bottom plan view.
INVENTORS:

Kaplan, George R.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
5983238, Dec 26 1997 GEMOLOGICAL APPRAISAL ASSOCIATION, INC Gemstons identification tracking and recovery system
7225641, Feb 19 2002 CAPITAL ONE, NATIONAL ASSOCIATION, AS AGENT Cut design of diamonds providing plenty of visual-perceptible reflection for ornamental use and observation method thereof
7225642, Sep 09 2003 Simka Diamonds Diamond cut
8844319, Jan 14 2011 Cut gemstone providing a specific optical pattern
D379072, May 22 1996 ROSY BLUE N V Diamond
D379073, May 22 1996 M FABRIKANT & SONS, LTD Diamond
D382506, Feb 23 1996 Diamond
D391518, Jan 23 1996 Gemstone
D400818, Feb 28 1997 Diamond
D415712, Jul 03 1998 Garrard Holdings Limited Precious stone
D416511, May 26 1998 Precious stone
D453120, Oct 17 2000 CONTINENTAL JEWELLERY MFG LTD Gemstone
D460376, Jun 06 2000 D SWAROVSKI & CO Ornamental object
D473814, Jan 31 2002 Diamond
D474709, Mar 12 2002 ROSY BLUE INC ; ROSY BLUE N V , A CORPORATION OF BELGIUM Precious stone design
D474995, Jun 11 2002 ROSY BLUE INC ; ROSY BLUE, N V Precious stone design
D476257, Mar 12 2002 ROSY BLUE, INC Precious stone design
D476918, Mar 29 2002 TOKYO PEARL CO LTD Diamond
D478528, Jun 19 2000 ROSY BLUE, N.V. Precious stone design
D479693, Jun 20 2001 Rosy Blue NV Precious stone design
D490014, Mar 12 2002 ROSY BLUE INC ; ROSY BLUE, N V High faceted precious stone design V (RB1-73)
D491093, Dec 31 2002 RBC 100 LLC Round cut stone design
D491836, Sep 26 2002 Delta Diamonds Ltd. Gem stone
D499983, Oct 28 2003 BRADICUS INVESTMENTS, INC Faceted gemstone
D500962, Jul 07 2003 My-Diamond Place Ltd. Diamond
D525902, Feb 28 2005 Diamond cut
D577306, Sep 25 2007 SIMON GOLUB & SONS, INC Diamond
D610940, May 26 2009 Diamintangibles International, Ltd Diamond
D690768, Dec 16 2011 3M Innovative Properties Company Note dispenser
D699619, Mar 19 2012 ROSY BLUE JEWELRY, INC.; ROSY BLUE JEWELRY, INC Gemstone design
D743295, Mar 20 2014 Gemstone
D757598, Mar 20 2014 Gemstone
D763120, Sep 02 2014 Swarovski Aktiengesellschaft Object
D790389, Jun 25 2015 OCTONUS FINLAND OY Gemstone
D823711, Apr 26 2016 ROSY BLUE, N.V.; ROSY BLUE, N V Multiple facet gemstone
D891976, May 30 2018 FIRE & ICE DIAMONDS, INC Brilliant cut diamond
ER4021,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3763665,
4056952, Jan 23 1976 Diamond bearing microscopic certificate of appraisal
BE632883,
D311881, Oct 05 1987 Precious stone
ASSIGNMENT RECORDS    Assignment records on the USPTO
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 17 1990KAPLAN, GEORGE R LAZARE KAPLAN INTERNATIONAL INC , A CORP OF NYASSIGNMENT OF ASSIGNORS INTEREST 0055990848 pdf
Dec 20 1990Lazare Kaplan International Inc.(assignment on the face of the patent)
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