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:
Feb. 19, 1985
Filed:
Mar. 19, 1982
Applicant:
Inventors:
Assignee:
Boseki Kabushiki Kaisha, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428 85 ; 428 96 ; 428218 ; 428219 ; 428233 ; 428246 ; 428252 ; 428253 ; 428408 ; 428446 ;
Abstract
A protective material comprising a cloth layer wherein the apparent density at one of the surfaces is smaller than that of the entire body of the cloth layer and a layer of active carbon integrally provided on the other surface of the cloth layer.