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. 17, 2023
Filed:
Sep. 24, 2020
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Jacob H. Ely, Carmel, IN (US);
Robert C. Coffin, Plainfield, IN (US);
James D. Brown, Bloomington, IN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F 11/08 (2006.01); B29C 44/12 (2006.01); B29C 44/34 (2006.01); B29C 48/00 (2019.01); B29C 48/15 (2019.01); B29C 44/56 (2006.01); B29K 105/04 (2006.01); B29K 27/18 (2006.01); B29K 55/00 (2006.01); B29K 77/00 (2006.01);
U.S. Cl.
CPC ...
A61F 11/085 (2022.01); B29C 44/12 (2013.01); B29C 44/1204 (2013.01); B29C 44/1228 (2013.01); B29C 44/1271 (2013.01); B29C 44/348 (2013.01); B29C 44/3446 (2013.01); B29C 44/3461 (2013.01); B29C 44/5645 (2013.01); B29C 48/0012 (2019.02); B29C 48/15 (2019.02); B29K 2027/18 (2013.01); B29K 2055/00 (2013.01); B29K 2077/00 (2013.01); B29K 2105/04 (2013.01);
Abstract
A push-in earplug is provided. The push-in earplug comprises an elongate core comprising a core material. The push-in earplug also comprises an outer layer comprising a foam material, the outer layer covering at least a portion of an outer surface of the elongate core. The push-in earplug also comprises a channel extending through the elongate core from a first end of the elongate core to the second end of the elongate core.