Patent
   D414260
Priority
Nov 10 1997
Filed
Nov 10 1997
Issued
Sep 21 1999
Expiry
Sep 21 2013
Assg.orig
Entity
unknown
18
4
n/a
The ornamental design for an earplug, as shown and described.

FIG. 1 is a front elevation view of the earplug showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a sectional view taken along line 3--3 of FIG. 1;

FIG. 4 is a sectional view taken along line 4--4 of FIG. 1; and,

FIG. 5 is a bottom plan view thereof.

Conner, Dennis Frederick

Patent Priority Assignee Title
6830124, Apr 23 2003 Ear plug
7314047, Jan 25 2002 3M Innovative Properties Company Hearing protection device
7537011, Jan 25 2002 3M Innovative Properties Company Hearing protection device
D427304, Oct 08 1998 Moldex-Metric, Inc Earplug
D435645, Aug 11 1999 Ear plug
D492765, Jan 18 2002 3M Innovative Properties Company Earplug
D492766, Jan 18 2002 3M Innovative Properties Company Earplug
D493219, Jan 18 2002 3M Innovative Properties Company Earplug
D559382, Mar 26 2007 R2 Development, LLC Earplug
D618333, May 21 2009 Moldex-Metric, Inc Earplug insert for dual mode operation
D739520, Jul 15 2014 BUTLER, STEVEN DANIEL Earplug
D846124, Apr 18 2017 Sonova AG Hearing aid
D851770, Jan 23 2018 Hearing aid
D852363, Jan 23 2018 Hearing aid
D931437, Sep 05 2020 SHENZHEN YUNDE TECHNOLOGY CO., LTD. Double layer soundproof earplug
D968372, May 24 2021 Shenzhen Taipuda Technology Co., Ltd. Earphone
ER6035,
ER7070,
Patent Priority Assignee Title
4936411, Aug 19 1988 Cabot Safety Intermediate Corporation Detectable earplug
D298356, Aug 22 1985 Cabot Safety Intermediate Corporation Earplug or similar article
D330761, Sep 21 1990 Cabot Safety Intermediate Corporation Earplug
D372776, Oct 15 1992 SPERIAN HEARING PROTECTION, LLC DELAWARE LIMITED LIABILITY COMPANY Multi-cone earplug
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 30 1997CONNER, DENNIS FREDERICKCK European LimitedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0088370103 pdf
Nov 10 1997CK European Limited(assignment on the face of the patent)
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