Is a
Patent attributes
Patent Applicant
0
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shigeru Tsuchida0
Chikako Hiromi0
Date of Patent
May 10, 2022
0Patent Application Number
172654770
Date Filed
August 6, 2018
0Patent Citations Received
Patent Primary Examiner
CPC Code
An element includes a head having an engaging convex portion protruding from one surface thereof and an engaging concave portion formed on the back of the engaging convex portion on the other surface; and a pair of leg portions extending from the head. A protrusion is formed on a side of the engaging concave portion close to the leg portions to protrude inward of the engaging concave portion.
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