Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.


  1. Advanced Patent Search
Publication numberUSD521409 S1
Publication typeGrant
Application numberUS 29/196,921
Publication dateMay 23, 2006
Filing dateJan 8, 2004
Priority dateJul 9, 2003
Publication number196921, 29196921, US D521409 S1, US D521409S1, US-S1-D521409, USD521409 S1, USD521409S1
InventorsAndrea Paes Pereira De Castro, Adriana Francisco Miotto, Carlos Joselito Mendes
Original AssigneeH. Stern Comerico E Industria S.A.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Gem stone
US D521409 S1
Previous page
Next page
  1. The ornamental design of a gem stone, as shown and described.

FIG. 1 is a perspective view of the gem stone of the present invention;

FIG. 2 is a top plan view of the gem stone of FIG. 1;

FIG. 3 is a bottom view of the gem stone of FIG. 1;

FIG. 4 is a left side view of the gem stone of FIG. 1;

FIG. 5 is a right side view of the gem stone of FIG. 1;

FIG. 6 is a front view of the gem stone of FIG. 1; and,

FIG. 7 is a rear view of the gem stone of FIG. 1.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US7971452 *May 4, 2007Jul 5, 2011Worldwide Diamond Trademarks Ltd.Triangular shaped diamond which displays hearts and arrows pattern
US8381545 *May 4, 2007Feb 26, 2013Worldwide Diamond Trademarks Ltd.Triangular star shaped diamond having hearts and arrows pattern
U.S. ClassificationD11/90