Writing instrument
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Description
The broken lines in the figures show portions of the writing instrument that form no part of the claimed design.
Claims
The ornamental design for a writing instrument, as shown and described.
Referenced Cited
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Patent History
Patent number: D839959
Type: Grant
Filed: Jan 4, 2017
Date of Patent: Feb 5, 2019
Assignee: Riteline LLC (Dallas, TX)
Inventor: Enmin Zhang (Southlake, TX)
Primary Examiner: Cynthia Ramirez
Assistant Examiner: Laura H Yu
Application Number: 29/589,835
Type: Grant
Filed: Jan 4, 2017
Date of Patent: Feb 5, 2019
Assignee: Riteline LLC (Dallas, TX)
Inventor: Enmin Zhang (Southlake, TX)
Primary Examiner: Cynthia Ramirez
Assistant Examiner: Laura H Yu
Application Number: 29/589,835
Classifications
Current U.S. Class:
D19/170;
D19/914;
D19/201;
D19/173