Joint pipe to duct connection
Latest GREENAIRTECH CO., LTD. Patents:
Description
Claims
The ornamental design for a joint pipe to duct connection, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
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Patent History
Patent number: D936802
Type: Grant
Filed: Feb 17, 2020
Date of Patent: Nov 23, 2021
Assignee: GREENAIRTECH CO., LTD. (Hwaseong-si)
Inventor: Sung-Keun Noh (Suwon-Si)
Primary Examiner: Amy C Wierenga
Application Number: 29/724,544
Type: Grant
Filed: Feb 17, 2020
Date of Patent: Nov 23, 2021
Assignee: GREENAIRTECH CO., LTD. (Hwaseong-si)
Inventor: Sung-Keun Noh (Suwon-Si)
Primary Examiner: Amy C Wierenga
Application Number: 29/724,544
Classifications
Current U.S. Class:
Coupling Or Joint (D23/262)