3D printing filament dryer
Description
Claims
The ornamental design for a 3D printing filament dryer, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
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- SUNLU Filament Dryer Box,Amazon.com, date published Dec. 29, 2019,date retrieved Oct. 4, 2022—29737831—https://amzn.to/3yf7hTD (Year: 2019).
Patent History
Patent number: D978929
Type: Grant
Filed: Jun 12, 2020
Date of Patent: Feb 21, 2023
Assignee: ZHUHAI SUNLU INDUSTRIAL CO., LTD (Zhuhai)
Inventor: Kun Jiang (Yongzhou)
Primary Examiner: Nicole C Shiflet
Assistant Examiner: Danielle Nichole Bowly
Application Number: 29/737,831
Type: Grant
Filed: Jun 12, 2020
Date of Patent: Feb 21, 2023
Assignee: ZHUHAI SUNLU INDUSTRIAL CO., LTD (Zhuhai)
Inventor: Kun Jiang (Yongzhou)
Primary Examiner: Nicole C Shiflet
Assistant Examiner: Danielle Nichole Bowly
Application Number: 29/737,831
Classifications
Current U.S. Class:
Material Working, Abrading, Or Founding Machinery (D15/122);
Molding Or Casting (D15/135)