Earplug

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Description

FIG. 1 is a perspective view of an earplug showing my new design;

FIG. 2 is a front elevational view thereof, the rear elevational view being a mirror image;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a front perspective view of a second embodiment of an earplug showing my new design;

FIG. 6 is a front elevational view thereof, the rear elevational view being a mirror image;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
D97038 October 1935 Cohn
D235483 June 1975 Leight
D236162 July 1975 Leight
D264249 May 4, 1982 Leight
D307636 May 1, 1990 Gardner, Jr.
4774938 October 4, 1988 Leight
5044463 September 3, 1991 Carr
5668354 September 16, 1997 Falco
5809574 September 22, 1998 Falco et al.
Patent History
Patent number: D423664
Type: Grant
Filed: Oct 4, 1996
Date of Patent: Apr 25, 2000
Assignee: Cabot Safety Intermediate Corporation (Southbridge, MA)
Inventor: Robert N. Falco (Indianapolis, IN)
Primary Examiner: Stella Reid
Assistant Examiner: I Simmons
Law Firm: Cantor Colburn LLP
Application Number: 0/60,727
Classifications
Current U.S. Class: Ear Plug Or Nose Clip (D24/106)
International Classification: 2404;