Patent
   D577812
Priority
Jun 14 2007
Filed
Jun 14 2007
Issued
Sep 30 2008
Expiry
Sep 30 2022
Assg.orig
Entity
unknown
9
7
n/a
I claim, the ornamental design for an earplug stem, as shown and described.

FIG. 1 is a perspective view of an earplug stem, showing my new design and including an insertable portion shown herein and throughout in broken lines for purposes of illustration and forming no part of the claimed design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a first side elevation view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a second side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Zwart, Kevin James

Patent Priority Assignee Title
8061472, Jun 03 2009 HONEYWELL SAFETY PRODUCTS USA, INC Non-roll foam eartip
D616979, May 27 2009 3M Innovative Properties Company Earplug
D621030, May 27 2009 3M Innovative Properties Company Earplug stem
D623286, May 27 2009 3M Innovative Properties Company Earplug stem
D636484, Oct 22 2009 HONEYWELL SAFETY PRODUCTS USA, INC Earplug
D641465, May 27 2009 3M Innovative Properties Company Earplug stem
D654163, Oct 22 2009 Honeywell International Inc. Earplug
D659126, Jul 29 2011 Miniature headphone
D826905, Apr 08 2015 Fender Musical Instruments Corporation Tri-tab ear retention fitment
Patent Priority Assignee Title
3983336, Oct 15 1974 Directional self containing ear mounted hearing aid
5247946, May 21 1992 Ear piece
D402661, Mar 19 1997 Sony Corporation Earphone
D413379, May 08 1998 SPERIAN HEARING PROTECTION, LLC DELAWARE LIMITED LIABILITY COMPANY Combined earplug and insertion stem
D437048, Feb 22 1999 Spanish Main Trading Corporation Ear plug
D452909, Aug 14 2000 Sonomax Hearing Healthcare Inc Pair of ear plugs
D492991, Jan 23 2003 Earplug for swimmer
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 14 2007Cabot Safety Intermediate Corporation(assignment on the face of the patent)
Jul 19 2007ZWART, KEVIN JAMESCabot Safety Intermediate CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0197100792 pdf
Sep 26 2008Cabot Safety Intermediate CorporationCabot Safety Intermediate LLCCHANGE OF NAME SEE DOCUMENT FOR DETAILS 0219760611 pdf
Dec 08 2008Cabot Safety Intermediate LLC3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0220430189 pdf
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