Joint pipe to duct connection

- GREENAIRTECH CO., LTD.

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Description

FIG. 1 is a perspective view of the joint pipe to duct connection showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view.

Claims

The ornamental design for a joint pipe to duct connection, as shown and described.

Referenced Cited
U.S. Patent Documents
2746114 May 1956 Williams
2907592 October 1959 Bailey
D234847 April 1975 Hoffman
D242616 December 7, 1976 Meyerhoff
D258526 March 10, 1981 Nederman
4997209 March 5, 1991 McGrath
D446298 August 7, 2001 Thurman
D475449 June 3, 2003 Stout, Jr.
D480132 September 30, 2003 Stout, Jr.
D488217 April 6, 2004 Stout, Jr.
6830065 December 14, 2004 Sinur
D846087 April 16, 2019 Naber
D896351 September 15, 2020 Banks, III
Foreign Patent Documents
30-2019-0040582 August 2019 KR
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
Classifications
Current U.S. Class: Coupling Or Joint (D23/262)