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. 15, 2019
Filed:
Jun. 28, 2016
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventor:
Jacob H. Ely, Indianapolis, IN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F 11/08 (2006.01); A61F 11/12 (2006.01);
U.S. Cl.
CPC ...
A61F 11/12 (2013.01); A61F 11/08 (2013.01); A61F 2011/085 (2013.01); A61F 2250/0004 (2013.01); A61F 2250/0069 (2013.01);
Abstract
A selective attenuating earplug is provided. In an exemplary embodiment, a selective attenuating earplug includes a switch adjustable between a first position and a second position, and the switch includes at least one cantilever spring arm.