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:
Oct. 27, 1987
Filed:
Aug. 21, 1986
Applicant:
Inventor:
Ronald D Smith, Appleton City, MO (US);
Assignee:
Other;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A62B / ;
U.S. Cl.
CPC ...
12820524 ; 12820418 ; 12820525 ;
Abstract
A full face smoke mask having a detachable air tank for dispensing air to the mask in smoke emergencies. A valve on the air tank is opened automatically when the tank is threaded to a rigid fitting carried on the mask. The valve body is equipped with a rupture film which ruptures to vent excessive pressure in the dispensing system.