Ear muff attachment arm

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Description

FIG. 1 is a perspective view of an ear muff attachment arm showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof, the right side being a mirror image thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

Broken lines form no part of the claimed design, and any shading is provided to illustrate contour only and is not an indication of texture, gloss, etc.

The shaded surface areas up to the broken lines define the boundary of the claim.

Claims

The ornamental design for an ear muff attachment arm, as shown and described.

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Patent History
Patent number: D741550
Type: Grant
Filed: May 2, 2014
Date of Patent: Oct 20, 2015
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Henrik Edwardsson (Malmo), Emil Jonsson (Malmo), Lovisa Nersing (Malmo)
Primary Examiner: Elizabeth J Oswecki
Application Number: 29/489,794
Classifications
Current U.S. Class: Ear (D29/112)