USD372530SExpiredUtility

Respiratory face mask

Assignee: AB ASTRAPriority: Sep 27, 1993Filed: Mar 25, 1994Granted: Aug 6, 1996

Est. expirySep 27, 2013(expired)· nominal 20-yr term from priority

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Claims

exact text as granted — not AI-modified

The ornamental design for a respiratory face mask, as shown and described.

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