3D printer
Description
The broken lines show portions of a 3D printer that form no part of the claimed design.
Claims
The ornamental design for a 3D printer, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
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Patent History
Patent number: D845357
Type: Grant
Filed: Sep 1, 2017
Date of Patent: Apr 9, 2019
Inventor: Liang Chen (Chengdu)
Primary Examiner: Garth Rademaker
Assistant Examiner: Fritzgerald L Butac
Application Number: 29/615,973
Type: Grant
Filed: Sep 1, 2017
Date of Patent: Apr 9, 2019
Inventor: Liang Chen (Chengdu)
Primary Examiner: Garth Rademaker
Assistant Examiner: Fritzgerald L Butac
Application Number: 29/615,973
Classifications
Current U.S. Class:
Material Working, Abrading, Or Founding Machinery (D15/122)