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:
Jan. 24, 2017
Filed:
Feb. 15, 2013
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Jeffrey L. Hamer, Springville, IN (US);
Kenneth F. Teeters, Zionsville, IN (US);
Ravi Thomas, Avon, IN (US);
Assignee:
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 11/08 (2006.01);
U.S. Cl.
CPC ...
A61F 11/08 (2013.01); A61F 2011/085 (2013.01); A61F 2250/0014 (2013.01);
Abstract
Hearing protection devices, e.g., push-to-fit earplugs, having a tip cavity in the sound attenuating body and methods of manufacturing the hearing protection devices are described herein.
Hamer, Jeffrey. (2017). Earplug with tip cavity and methods of manufacturing the same (U.S. Patent No. 9549855). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9549855
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile