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Patent
   D820718
Priority
Jun 30 2016
Filed
Jun 30 2016
Issued
Jun 19 2018
Expiry
Jun 19 2033
Inventors
Rayappa, K…
Assg.orig
REUVEN KAU…
Assg.curr
REUVEN KAU…
Entity
unknown
Referenced by
2
References
27
Maint.:
n/a
The ornamental design for a gemstone, as shown and described.

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

FIG. 2 is a front elevational view;

FIG. 3 is a top plan view; and,

FIG. 4 is a bottom plan view.
INVENTORS:

Rayappa, Kantharaj

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D965463, Jun 07 2021 Gemstone
ER1688,
THIS PATENT REFERENCES THESE PATENTS:
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8813519, Nov 23 2005 WORLDWIDE DIAMOND TRADEMARKS LTD Modified princess cut diamond having hearts and arrows pattern and method
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20070113586,
20130213090,
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D581828, Oct 31 2007 Z INVESTMENT HOLDINGS, LLC Gemstone
D654825, May 19 2011 ROSY BLUE JEWELRY, INC.; ROSY BLUE JEWELRY INC Multiple facet gemstone
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ASSIGNMENT RECORDS    Assignment records on the USPTO
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 30 2016REUVEN KAUFMAN INC.(assignment on the face of the patent)
Jul 05 2016RAYAPPA, KANTHARAJREUVEN KAUFMAN INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0390750853 pdf
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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