USD406881SExpiredUtility
Socket of pipe coupling
Est. expiryDec 17, 2017(expired)· nominal 20-yr term from priority
Inventors:Tetsuya Kuwabara
77
PatentIndex Score
21
Cited by
6
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a socket of pipe coupling, as shown in the drawings and described above.
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