Gemstone
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Description
The broken lines are for environmental purposes only and form no part of the claimed design. The region within the broken lines shown in
Claims
The ornamental design for a gemstone, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
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Patent History
Patent number: D790389
Type: Grant
Filed: Dec 22, 2015
Date of Patent: Jun 27, 2017
Assignee: OctoNus Finland OY (Tampere)
Inventors: Sergey Borisovich Sivovolenko (Tampere), Roman Sergeevich Serov (Oblast)
Primary Examiner: Ralf Seifert
Application Number: 29/549,437
Type: Grant
Filed: Dec 22, 2015
Date of Patent: Jun 27, 2017
Assignee: OctoNus Finland OY (Tampere)
Inventors: Sergey Borisovich Sivovolenko (Tampere), Roman Sergeevich Serov (Oblast)
Primary Examiner: Ralf Seifert
Application Number: 29/549,437
Classifications
Current U.S. Class:
Faceted (D11/90)