USD577816SExpiredUtility

Pre-filter lid for use with a filter respirator mask

Assignee: MOLDEX METRIC INCPriority: Apr 13, 2006Filed: Apr 13, 2006Granted: Sep 30, 2008

Est. expiryApr 13, 2026(expired)· nominal 20-yr term from priority

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Claims

exact text as granted — not AI-modified

CLAIM 
     
       The ornamental design for a pre-filter lid for use with a filter respirator mask, as shown and described.

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