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:
Mar. 03, 2015
Filed:
Jul. 12, 2012
James P. Endle, New Richmond, WI (US);
Jeffrey L. Hamer, Springville, IN (US);
Alan R. Seville, Indianapolis, IN (US);
Kenneth F. Teeters, Zionsville, IN (US);
James P. Endle, New Richmond, WI (US);
Jeffrey L. Hamer, Springville, IN (US);
Alan R. Seville, Indianapolis, IN (US);
Kenneth F. Teeters, Zionsville, IN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A method of making personal protective equipment, such as a push-in earplug, is disclosed. The method includes the steps of covering a substrate with an outer layer that includes an unactivated foaming agent, positioning at least a portion of the outer layer in a mold, and activating the foaming agent such that a portion of the outer layer expands.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile