Air-duct
Description
The sole FIGURE is a perspective view of an air-duct showing my new design.
Claims
The ornamental design for an air-duct, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
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- YouTube.com, Fabric Duct Dispersion Durkeesox, Durkeesox—Installation Guidance, Publication date Jun. 30, 2017, [site visited Jun. 16, 2020], Available on the Internet URL https://www.youtube.com/watch?v=MvW58uPqX9w (Year: 2017).
Patent History
Patent number: D930142
Type: Grant
Filed: Dec 22, 2020
Date of Patent: Sep 7, 2021
Assignee: DURKEE HI-TECH MATERIAL (WUHAN) GROUP CO., LTD. (Ezhou)
Inventors: Biao Lu (Ezhou), Cong Pan (Ezhou)
Primary Examiner: Karen S Acker
Assistant Examiner: Steven B Reinholdt, Jr.
Application Number: 29/763,394
Type: Grant
Filed: Dec 22, 2020
Date of Patent: Sep 7, 2021
Assignee: DURKEE HI-TECH MATERIAL (WUHAN) GROUP CO., LTD. (Ezhou)
Inventors: Biao Lu (Ezhou), Cong Pan (Ezhou)
Primary Examiner: Karen S Acker
Assistant Examiner: Steven B Reinholdt, Jr.
Application Number: 29/763,394
Classifications
Current U.S. Class:
Vent, Ductwork, Or Element Thereof (D23/393)
