×

Inhaler filtration device with housing supportable by spectacle temple

  • US 4,996,983 A
  • Filed: 01/31/1989
  • Issued: 03/05/1991
  • Est. Priority Date: 01/31/1989
  • Status: Expired due to Fees
First Claim
Patent Images

1. A device for filtering gases which are inhaled by a wearer of a set of spectacles having a pair of spectacle temples, said device comprising:

  • a housing having an inlet opening and an outlet opening at spaced positions;

    a filter element received in said housing and operable to filter gases moving therethrough;

    attachment means for selectively attaching and detaching said housing to one of said temples of said spectacles whereby said housing, while attached, is supported by said temple;

    conduit means operable to establish fluid communication between said outlet opening and at least one nostril of said wearer so that the gases inhaled through said nostril move through said housing.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×