Welding machine
Latest Sansha Electric Manufacturing Company, Limited Patents:
Description
The broken lines show portions of a welding machine which form no part of the claimed design.
Claims
I claim the ornamental design for a welding machine, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D978938
Type: Grant
Filed: Oct 22, 2020
Date of Patent: Feb 21, 2023
Assignee: Sansha Electric Manufacturing Company, Limited (Osaka)
Inventor: Yusuke Nakai (Osaka)
Primary Examiner: Michael C Stout
Assistant Examiner: Fritzgerald L Butac
Application Number: 29/755,758
Type: Grant
Filed: Oct 22, 2020
Date of Patent: Feb 21, 2023
Assignee: Sansha Electric Manufacturing Company, Limited (Osaka)
Inventor: Yusuke Nakai (Osaka)
Primary Examiner: Michael C Stout
Assistant Examiner: Fritzgerald L Butac
Application Number: 29/755,758
Classifications
Current U.S. Class:
Heat Treatment, Welding Or Brazing (D15/144)