The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 09, 1996
Filed:
Dec. 11, 1992
Michael F Scholey, Pacoima, CA (US);
Modex/Metric Products, Inc., Culver City, CA (US);
Abstract
A respirator mask, including a unitary body member formed of a flexible rubberlike material and having an inner surface to fit and seal upon the face of a user. The body member including at least one opening to receive a filter cartridge and including an internally extending flange portion forming the circumference of the opening. A filter cartridge formed of a substantially rigid material and including an inner grooved portion having a shape substantially complementary to the internally extending flange portion of the body member and with the flange portion for reception within the grooved portion of the cartridge to provide for the cartridge being locked within the opening in the body portion. The internally extending flange portion of the body member and the grooved portion of the cartridge forming a seal to prevent any passage of air from the outside to the inside of the mask, except through the filter cartridge.