USD333511SExpiredUtility

Pipe coupler

Assignee: NITTO KOHKI COPriority: Mar 20, 1990Filed: Sep 18, 1990Granted: Feb 23, 1993

Est. expiryMar 20, 2010(expired)· nominal 20-yr term from priority

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Claims

exact text as granted — not AI-modified

The ornamental design for pipe coupler, as shown and described.

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