Protective mask

Equipment for safety – protection – and rescue – Body restraint or protective covering – Face – mouth – or ear

Design Patent

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Design Patent

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29241231

CLAIM:
I claim the ornamental design for a protective mask, as shown and described.

REFERENCES:
patent: D320477 (1991-10-01), Hassfuther
patent: 5603117 (1997-02-01), Hudner et al.
patent: D407858 (1999-04-01), Cyr et al.
patent: 6381749 (2002-05-01), Cyr
patent: D459837 (2002-07-01), Dupuis
patent: D497039 (2004-10-01), Dehaan et al.
patent: 6957447 (2005-10-01), Broersma
patent: D518242 (2006-03-01), Wright et al.
patent: D518605 (2006-04-01), Chen
patent: D522179 (2006-05-01), Wright et al.
patent: D522697 (2006-06-01), Chen
patent: 2005/0204446 (2005-09-01), Wright

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