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:
Sep. 28, 1999
Filed:
Oct. 08, 1998
Mark Magidson, Los Angeles, CA (US);
Dan Dix, Irvine, CA (US);
Moldex-Metric, Inc., Culver City, CA (US);
Abstract
An earplug composed of a resilient polymeric material including a first hollow member having a closed end and an open end and with the closed end having a rounded cone shaped configuration. At least one flange member extending from the first hollow member and having a similiar cone shaped rounded configuration as the closed end of the hollow member but larger in diameter and located rearward of the closed end. A plug member for insertion into the open end of the first member and with the plug closing off and sealing the open end of the first member to form an air pocket immediately adjacent the closed end and the flange member. The plug member serving in combination with the rearward end of the first member as a handle for insertion of the earplug in an ear canal.