Drying box for 3D printing filaments
Description
The broken lines shown on the drawings depict portions of the drying box for 3D printing filaments that form no part of the claimed design.
Claims
The ornamental design for a drying box for 3D printing filaments, as shown and described.
Referenced Cited
U.S. Patent Documents
D810156 | February 13, 2018 | Lin |
D871463 | December 31, 2019 | Cao |
D887461 | June 16, 2020 | Malmén |
D889535 | July 7, 2020 | Chen |
D895698 | September 8, 2020 | Palmer |
D903730 | December 1, 2020 | Johnson |
D905134 | December 15, 2020 | Chen |
D927565 | August 10, 2021 | Yao |
D934926 | November 2, 2021 | Hong |
D934927 | November 2, 2021 | Hong |
D938502 | December 14, 2021 | Yang |
Patent History
Patent number: D990535
Type: Grant
Filed: Jun 16, 2021
Date of Patent: Jun 27, 2023
Assignee: Shenzhen Chuanggou Technology Co., Ltd (Shenzhen)
Inventors: Dezhen Chen (Guangdong), Yubo Shen (Guangdong), Yi Yu (Guangdong), Yueyi Yu (Guangdong)
Primary Examiner: Michael C Stout
Assistant Examiner: Fritzgerald L Butac
Application Number: 29/794,972
Type: Grant
Filed: Jun 16, 2021
Date of Patent: Jun 27, 2023
Assignee: Shenzhen Chuanggou Technology Co., Ltd (Shenzhen)
Inventors: Dezhen Chen (Guangdong), Yubo Shen (Guangdong), Yi Yu (Guangdong), Yueyi Yu (Guangdong)
Primary Examiner: Michael C Stout
Assistant Examiner: Fritzgerald L Butac
Application Number: 29/794,972
Classifications
Current U.S. Class:
Material Working, Abrading, Or Founding Machinery (D15/122)