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:
Aug. 25, 1987
Filed:
Jan. 24, 1986
Applicant:
Inventors:
Assignee:
Tensho Electric Industries Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A62B / ;
U.S. Cl.
CPC ...
12820615 ; 12820617 ; 2426 ;
Abstract
This invention relates to a gas mask used for refuge in a fire, for example. The gas mask comprises a cylindrical mask body of fire-proof soft rubber material detachably connected to goggles of transparent or semitransparent fire-proof material. A cartridge is detachably inserted into and secured to the cylindrical mask body and comprises filter layers and a pack of catalyst which is a composite of copper oxide and manganic oxide and a drying agent laminated on the catalyst.