USD334877SExpiredUtility

Pipe bore refinishing tool

Assignee: NYGARDS NILSPriority: Feb 21, 1991Filed: Feb 21, 1991Granted: Apr 20, 1993

Est. expiryFeb 21, 2011(expired)· nominal 20-yr term from priority

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Claims

exact text as granted — not AI-modified

The ornamental design for a pipe bore refinishing tool, as shown and described.

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