Claims priority of application No. 2022-007062 D (JP), filed on Mar. 31, 2022; application No. 2022-007063 D (JP), filed on Mar. 31, 2022; and application No. 2022-007064 D (JP), filed on Mar. 31, 2022.
Term of patent 15 Years
LOC (15) Cl. 23 - 01
U.S. Cl. D23—262
The ornamental design for a plug of pipe joint as shown and described.