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Patent
   D253723
Priority
Feb 06 1978
Filed
Feb 06 1978
Issued
Dec 18 1979
Expiry
Dec 18 1993
Inventors
Leight, Ho…
Assg.orig
Assg.curr
Entity
unknown
Referenced by
34
References
6
Maint.:
n/a
The design for an ear plug, substantially as shown.

FIG. 1 is a side elevation view of an ear plug showing my new design, the opposite side being identical;

FIG. 2 is a rear end view thereof; and

FIG. 3 is a front end view thereof.
INVENTORS:

Leight, Howard S.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
4774938, Apr 09 1987 SPERIAN HEARING PROTECTION, LLC DELAWARE LIMITED LIABILITY COMPANY Slow recovery earplug with largely impenetrable surface
4867149, Mar 29 1985 Cabot Safety Intermediate Corporation Earplugs
6568395, Aug 10 2001 HONEYWELL SAFETY PRODUCTS USA, INC Multiple earplug arrangement
6659103, Aug 10 2001 HONEYWELL SAFETY PRODUCTS USA, INC Earplug with stiffener
6695093, Jan 13 2000 3M Innovative Properties Company Earplug
6938621, Aug 04 2004 Disposable plug for warming the inner ear
7712469, Apr 15 2004 HONEYWELL SAFETY PRODUCTS USA, INC Detectable earplug and cord
8189845, Dec 21 2006 HONEYWELL SAFETY PRODUCTS USA, INC Earbud coupling
9763832, Apr 10 2013 HEAROS, LLC Pull out earplug
D265129, Sep 10 1979 Ear plug with flanges
D298356, Aug 22 1985 Cabot Safety Intermediate Corporation Earplug or similar article
D303014, May 04 1987 Cabot Safety Intermediate Corporation Earplug or similar article
D371193, May 16 1994 Cabot Safety Intermediate Corporation Hearing protective earplug
D372776, Oct 15 1992 SPERIAN HEARING PROTECTION, LLC DELAWARE LIMITED LIABILITY COMPANY Multi-cone earplug
D427304, Oct 08 1998 Moldex-Metric, Inc Earplug
D434139, Sep 17 1999 3M Innovative Properties Company Earplug
D435645, Aug 11 1999 Ear plug
D436164, Sep 17 1999 3M Innovative Properties Company Earplug
D472627, Oct 16 2001 3M Innovative Properties Company Earplug
D592300, Sep 04 2008 Earplug
D592748, Apr 26 2007 Tip for ear candle
D604409, Mar 10 2008 TASCO Corporation Ear plug
D715272, Sep 10 2013 Burton Technologies, LLC Earbud adapter
D788906, May 13 1920 Ear Labs AB Ear plug for swimmers
D807496, Jun 28 2016 Ear Labs AB Ear plug
D810272, Mar 04 2016 SACK IP LAW P C Ear plug having piston-like exterior
D831832, Feb 26 2016 Ear plug
D922987, Aug 24 2020 CHARJENPRO Ear tip with three layer sleeves
D942610, Dec 03 2020 Ear Labs AB Ear plug
D956204, Jan 22 2021 Ear plug
D962892, Sep 27 2020 SHENZHEN WEIBEN TECHNOLOGY CO LTD Wireless earphone
D966494, Aug 21 2019 CHRONOTECH PTY LTD Earplug set
D970719, Dec 15 2020 Earcleaning Company AB Ear plug
D974542, Aug 19 2021 Shenzhen Apwill Electronic Co., Ltd. Earplug
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3259128,
3800791,
4094315, Oct 29 1976 Ear plug
195322,
234321,
D242743, Aug 28 1975 Ear plug
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