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. 06, 1981
Filed:
Sep. 10, 1979
Applicant:
Inventor:
Albert R Wacker, Zionsville, IN (US);
Assignee:
Cabot Corporation, Kokomo, IN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61F / ; B23K / ;
U.S. Cl.
CPC ...
156 732 ; 128152 ; 156 731 ; 264 23 ;
Abstract
Disclosed herein is a tethered earplug construction comprising a pair of plasticized thermoplastic foam earplugs tethered together by one or more flexible plasticized thermoplastic cord elements. Attachment of the cord element to the earplug is achieved by ultrasonic welding.