Patent
   D668392
Priority
Nov 04 2010
Filed
Apr 28 2011
Issued
Oct 02 2012
Expiry
Oct 02 2026
Assg.orig
Entity
unknown
13
24
n/a
The ornamental design for a hearing protector, as shown and described.

FIG. 1 is a perspective view of a hearing protector our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a right side view thereof, the left side being a mirror image of the right side view.

Portions of the drawings shown in broken lines do not form part of the claimed design.

Juhlin, Oskar E., Carlborg, Lars G. E., Rapp, Johan, Johansson, Leif S., Birath, Martin L., Michael, August H.

Patent Priority Assignee Title
9596902, May 30 2014 3M Innovative Properties Company Earmuff accommodating welding shield
D729458, May 02 2014 3M Innovative Properties Company Ear muff attachment housing
D741550, May 02 2014 3M Innovative Properties Company Ear muff attachment arm
D746000, May 30 2014 3M Innovative Properties Company Helmet bracket having arrow indicia
D747560, May 30 2014 3M Innovative Properties Company Helmet bracket
D747561, May 30 2014 3M Innovative Properties Company Helmet bracket connector end
D857653, Jan 03 2018 MPOW TECHNOLOGY CO., LIMITED Headphone
D892291, Nov 29 2018 Dyson Technology Limited Air purifier
D905001, Jan 05 2018 Zound Industries International AB Headphone
D956363, Oct 17 2020 Ningbo Albert Novosino Co. Ltd. Earmuff
D956364, Oct 17 2020 Ningbo Albert Novosino Co. Ltd. Earmuff
ER4671,
ER7605,
Patent Priority Assignee Title
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D597709, Nov 15 2007 3M Innovative Properties Company Protective plate for a welding filter in a welding helmet
D604911, Nov 15 2007 3M Innovative Properties Company Protective plate for a welding filter in a welding helmet
D606969, Oct 18 2007 ABLE PLANET, INC Head set
D606970, Oct 18 2007 ABLE PLANET, INC Head set
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 28 20113M Innovative Properties Company(assignment on the face of the patent)
Jul 07 2011CARLBORG, LARS G E 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0265690306 pdf
Jul 07 2011RAPP, JOHAN3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0265690306 pdf
Jul 07 2011JOHANSSON, LEIF S 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0265690306 pdf
Jul 07 2011MICHAEL, AUGUST H 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0265690306 pdf
Jul 08 2011BIRATH, MARTIN L 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0265690306 pdf
Jul 08 2011JUHLIN, OSKAR E 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0265690306 pdf
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