Ultrasonic cutter head
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Description
The broken lines shown in
Claims
The ornamental design for an ultrasonic cutter head, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
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Patent History
Patent number: D882082
Type: Grant
Filed: Jan 31, 2018
Date of Patent: Apr 21, 2020
Assignee: BEIJING SMTP TECHNOLOGY CO., LTD. (Beijing)
Inventor: Cao Qun (Beijing)
Primary Examiner: Samantha Q Lawrence
Application Number: 29/635,566
Type: Grant
Filed: Jan 31, 2018
Date of Patent: Apr 21, 2020
Assignee: BEIJING SMTP TECHNOLOGY CO., LTD. (Beijing)
Inventor: Cao Qun (Beijing)
Primary Examiner: Samantha Q Lawrence
Application Number: 29/635,566
Classifications
Current U.S. Class:
Cutting, Abrading, Scraping Or Puncturing (31) (D24/146)