Patent
   D541484
Priority
Mar 29 2005
Filed
Mar 29 2005
Issued
Apr 24 2007
Expiry
Apr 24 2021
Assg.orig
Entity
unknown
5
10
n/a
The ornamental design for hearing protector for protective helmets, as shown and described.

FIG. 1 is a right side view of a hearing protector for protectve helmets showing our new design;

FIG. 2 is a left side view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a front and right-side perspective view thereof;

FIG. 6 is a rear and left-side perspective view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a rear view thereof.

Roos, Anders, Birgersson, Joakim, Davidsson, Håkan, Marklund, Emil

Patent Priority Assignee Title
D729458, May 02 2014 3M Innovative Properties Company Ear muff attachment housing
D741550, May 02 2014 3M Innovative Properties Company Ear muff attachment arm
D801588, May 12 2016 Hearing protection ear cup
D876017, May 10 2017 3M Innovative Properties Company Attachment arm
D974324, Dec 20 2019 HEWLETT-PACKARD DEVELOPMENT COMPANY, L P Arm for headphone
Patent Priority Assignee Title
4069512, May 12 1975 Locating device for ear-muffs on helmets
5068923, Apr 28 1988 Milmas AB Noise attenuator attachment arm
6654966, Feb 25 2003 Fully collapsible headset
D375584, Apr 24 1995 Ear cup
D427382, Oct 23 1998 HONEYWELL SAFETY PRODUCTS USA, INC Pair of earmuffs
D459033, May 10 2001 Moldex-Metric, Inc. Earmuff with front mount
D459034, May 10 2001 Moldex-Metric, Inc. Ear muff with side mount
D465616, Feb 12 2001 3M Innovative Properties Company Ear cap for hearing protection
D468063, Feb 12 2001 3M Innovative Properties Company Ear cap for hearing protection
D512708, Jun 08 2004 Wells Fargo Bank, National Association Headphones
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 29 2005Sordin AB(assignment on the face of the patent)
Apr 19 2005BIRGERSSON, JOAKIMSordin ABASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0166990055 pdf
Apr 19 2005DAVIDSSON, HAKANSordin ABASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0166990055 pdf
Apr 19 2005ROOS, ANDERSSordin ABASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0166990055 pdf
Apr 20 2005MARKLUND, EMILSordin ABASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0166990055 pdf
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