Gemstone
Description
Claims
The ornamental design for a gemstone, as shown and described.
Referenced Cited
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Patent History
Patent number: D820718
Type: Grant
Filed: Jun 30, 2016
Date of Patent: Jun 19, 2018
Assignee: REUVEN KAUFMAN INC. (New York, NY)
Inventor: Kantharaj Rayappa (Flushing, NY)
Primary Examiner: Ralf Seifert
Application Number: 29/569,852
Type: Grant
Filed: Jun 30, 2016
Date of Patent: Jun 19, 2018
Assignee: REUVEN KAUFMAN INC. (New York, NY)
Inventor: Kantharaj Rayappa (Flushing, NY)
Primary Examiner: Ralf Seifert
Application Number: 29/569,852
Classifications
Current U.S. Class:
Faceted (D11/90)