Welding machine
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Description
The broken lines shown in the figures depict portions of the welding machine that form no part of the claimed design.
Claims
The ornamental design for a welding machine, as shown and described.
Referenced Cited
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Patent History
Patent number: D907080
Type: Grant
Filed: Aug 29, 2018
Date of Patent: Jan 5, 2021
Assignee:
Inventors: Zhenyu Shu (Shanghai), Zhiqiang Li (Shanghai)
Primary Examiner: Michael C Stout
Assistant Examiner: Fritzgerald L Butac
Application Number: 29/661,575
Type: Grant
Filed: Aug 29, 2018
Date of Patent: Jan 5, 2021
Assignee:
Inventors: Zhenyu Shu (Shanghai), Zhiqiang Li (Shanghai)
Primary Examiner: Michael C Stout
Assistant Examiner: Fritzgerald L Butac
Application Number: 29/661,575
Classifications
Current U.S. Class:
Heat Treatment, Welding Or Brazing (D15/144)