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. 11, 1981
Filed:
Jun. 04, 1979
Applicant:
Inventor:
Samuel N Muchnick, Los Angeles, CA (US);
Assignee:
Research Development Systems, Inc., S. El Monte, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; G10D / ;
U.S. Cl.
CPC ...
84414 ; 84413 ; 428 64 ; 428 66 ; 428131 ; 428137 ; 428192 ; 428288 ; 428290 ;
Abstract
A composite drum head, comprising polyaramide fiber fabric impregnated with a rigidifying amount of epoxy polymer.