USD287649SExpiredUtility

Disposable respirator

Assignee: AMERICAN OPTICAL CORPPriority: Feb 17, 1984Filed: Feb 17, 1984Granted: Jan 6, 1987

Est. expiryFeb 17, 2004(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for a disposable respirator, as shown and described.

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