USD284022SExpiredUtility

Backing ring for a pipe coupling

Assignee: CANRON INCPriority: Mar 29, 1983Filed: Sep 9, 1983Granted: May 27, 1986

Est. expiryMar 29, 2003(expired)· nominal 20-yr term from priority

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Claims

exact text as granted — not AI-modified

The ornamental design for a backing ring for a pipe coupling, as shown and described.

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