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:
Jul. 07, 1981
Filed:
Oct. 30, 1979
Applicant:
Inventors:
Carl-Ernst Van der Smissen, Lubeck, DE;
Gerd Pantaleon-Stemberg, Molln, DE;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A62B / ; F01N / ; B01J / ;
U.S. Cl.
CPC ...
422122 ; 422181 ; 422206 ; 422222 ; 422218 ; 422239 ; 422188 ; 55484 ; 55DI / ; 12820226 ;
Abstract
A cartridge for respirators for purifying expiratory air contains a chemical arranged in layers separated by partitions which are connected to a perforated central tube. The partition cooperates with a member spaced from a wall of the cartridge and a guide element disposed on the partition to provide alternate passage of the air into the layers.