USD248497SExpiredUtility

Disposable respirator

Assignee: AMERICAN OPTICAL CORPPriority: May 20, 1976Filed: May 20, 1976Granted: Jul 11, 1978

Est. expiryMay 20, 1996(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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