USD340523SExpiredUtility

Orthodontic bracket base

Assignee: MINNESOTA MINING & MFGPriority: Dec 28, 1990Filed: Dec 28, 1990Granted: Oct 19, 1993

Est. expiryDec 28, 2010(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for an orthodontic bracket base, as shown and described.

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