Ink refill cartridge for writing instrument
Description
Claims
I claim an ornamental design for an ink refill cartridge for writing instrument, as shown and described.
Referenced Cited
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Patent History
Patent number: D893625
Type: Grant
Filed: Feb 4, 2019
Date of Patent: Aug 18, 2020
Inventor: Howard H. Smith (San Diego, CA)
Primary Examiner: Elizabeth A. Albert
Application Number: 29/679,284
Type: Grant
Filed: Feb 4, 2019
Date of Patent: Aug 18, 2020
Inventor: Howard H. Smith (San Diego, CA)
Primary Examiner: Elizabeth A. Albert
Application Number: 29/679,284
Classifications
Current U.S. Class:
D19/190;
D19/186;
D19/915