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Nasal mask with replaceable filter

  • US 6,752,149 B2
  • Filed: 07/25/2002
  • Issued: 06/22/2004
  • Est. Priority Date: 07/25/2002
  • Status: Expired due to Fees
First Claim
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1. A breathing filter for wearing over a user'"'"'s nose and surrounding the user'"'"'s nostrils, comprising:

  • a nose mask including a concave inner surface contoured to fit over the user'"'"'s nose and terminating in a surface sealing against a user'"'"'s face when said nose mask is worn by the user, and having an opening which is located proximate the user'"'"'s nostrils when said nose mask is worn by the user;

    wherein said surface sealing against the user'"'"'s face comprises a mounting base made of a soft, pliable material attached around an entire periphery of said nose mask on a side of said nose mask located proximate the user'"'"'s face when said nose mask is worn by the user;

    a strap connected to said nose mask for holding said nose mask over the user'"'"'s nose; and

    a filter member wherein said filter member is adapted for mounting to the opening of said nose mask.

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