Back to results
US 5,392,773 AGranted
Respiratory particulate filter
OwnerArchie A. Bertrandinventor
Life of this patent
Estimating the term…
Abstract
A respiratory particulate filter removably adheres to the lower surfaces of the user's nose with a fine mesh filtering material covering the nostrils. The adhesive section has distal, medial, and proximal adhesive tabs which secure and seal the filter while leaving the upper surfaces of the nose exposed.
Claims6
A filter for removing airborne particulate nasal respiration comprising:
- a. a filter section comprising a generally triangular shaped synthetic mesh fabric;
- b. an adhesive section surrounding and attached to the peripheral margin of said filter section, said adhesive section comprising a distal tab adapted for attachment to the lower surface of the tip of the nose, a proximal tab adapted for attachment to the lower surface of the base of the nose, and left and right medial tabs joining said distal and proximal tabs, said medial tabs adapted for attachment to the lateral surfaces of the nose, said proximal tab comprising a straight outer margin and an arched inner margin and said distal tab comprising a substantially circular region joined to the distal ends of said medial tabs by an interface defined by inwardly tapered cutout sections;
- and
- c. said adhesive section coated on one side with an adhesive whereby said filter can be removably attached to the skin.
1 more element
The filter as in any one of the proceeding claims in which said filter section further comprising inner and outer fabric layers adapted for receiving a compound for treating the air passing through said filter.
Dependencies are inferred from the claim text.