Joint pipe to duct connection
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
| 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 |
| 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
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)