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.

Date of Patent:
May. 29, 2018

Filed:

May. 17, 2007
Applicants:

Fredrik Hansson, Helsinborg, SE;

Claes Haglund, Angelholm, SE;

Inventors:

Fredrik Hansson, Helsinborg, SE;

Claes Haglund, Angelholm, SE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A42B 1/06 (2006.01); A61F 11/14 (2006.01);
U.S. Cl.
CPC ...
A61F 11/14 (2013.01);
Abstract

An earmuff () includes a disc-shaped elastomeric pressure-equalizing element (') that lies between an inner end of a cup () and an outer face of an annular element (). The elastomeric element (′) is found to provide a more consistent blocking of environmental sound. The cup inner end has a radial projection () that projects into a recess (), and the elastomeric element is bent to lie between the projection and the walls of the recess.


Find Patent Forward Citations

Hansson, Fredrik. (2018). Consistent blocking earmuff (U.S. Patent No. 9980855). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9980855

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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