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. 05, 1982
Filed:
Jan. 31, 1980
Applicant:
Inventors:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M / ; A62B / ;
U.S. Cl.
CPC ...
12820124 ; 12820123 ; 12820128 ; 12820524 ; 2 2 / ;
Abstract
A respirator comprising a hood and visor adapted to protect a wearer against an undesirable substance and so closely to fit and envelop the wearer's head as to be susceptible of being worn underneath a helmet, the visor being formed to accommodate an oronasal mask and the respirator having purge gas supply means for maintaining a positive pressure within the respirator and for washing over the visor in visual regions thereof as well as breathing gas supply means.
Bolton, Colin. (1982). Protective clothing (U.S. Patent No. 4352353). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4352353
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile