Writing instrument
Description
Claims
The ornamental design for a writing instrument, as shown and described.
Referenced Cited
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Patent History
Patent number: D863432
Type: Grant
Filed: Mar 11, 2018
Date of Patent: Oct 15, 2019
Inventor: Tsung-Hsien Yu (New Taipei)
Primary Examiner: Elizabeth A. Albert
Application Number: 29/640,009
Type: Grant
Filed: Mar 11, 2018
Date of Patent: Oct 15, 2019
Inventor: Tsung-Hsien Yu (New Taipei)
Primary Examiner: Elizabeth A. Albert
Application Number: 29/640,009
Classifications
Current U.S. Class:
D19/166;
D19/902