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:
Nov. 04, 2008
Filed:
Aug. 29, 2005
Applicants:
Luciana M. Sato, Campinas, BR;
Glaucia C. Gabas, Campinas, BR;
Dean M. Remer, Woodbury, MN (US);
Thomas I. Insley, Lake Elmo, MN (US);
Inventors:
Luciana M. Sato, Campinas, BR;
Glaucia C. Gabas, Campinas, BR;
Dean M. Remer, Woodbury, MN (US);
Thomas I. Insley, Lake Elmo, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A42B 1/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A hearing protective device that includes a headpiece, a first earmuff affixed to the headband, and a second earmuff affixed to the headband, each earmuff including an ear cup that includes a cellular material and that has a distal exterior surface that includes exposed cellular material, and a proximal exterior surface.