Ear plug

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Description

FIG. 1 is a side elevation view of the invention;

FIG. 2 is a top view of the invention; and,

FIG. 3 is a bottom view of the invention.

The ear plug is symmetrical about its longitudinal axis, whereby front, rear and side views of the ear plug are all illustrated by the side elevation view of FIG. 1. The broken lines shown in the figures are for illustrative purposes only and form no part of the claimed design.

Referenced Cited
U.S. Patent Documents
RE28560 September 1975 Fling
D195322 May 1963 Hill
D239416 March 1976 Visor
D253723 December 18, 1979 Leight
D298356 November 1, 1988 Falco
D372776 August 13, 1996 Leight
D414260 September 21, 1999 Conner
2427664 September 1947 Dunbar et al.
2487038 November 1949 Baum
4540063 September 10, 1985 Ochi et al.
4867149 September 19, 1989 Falco
5809574 September 22, 1998 Falco et al.
5819745 October 13, 1998 Mobley et al.
Other references
  • Siebe North, Inc. Hearing Protectors Catalog HP-105, Mar. 1994. Lab Safety Catalog, pp. 85-87.
Patent History
Patent number: D435645
Type: Grant
Filed: Aug 11, 1999
Date of Patent: Dec 26, 2000
Inventor: Roland Westerdal (Brookfield, CT)
Primary Examiner: Stella Reid
Assistant Examiner: I Simmons
Law Firm: Ware, Fressola, Van Der Sluys & Adolphson LLP
Application Number: 0/109,218
Classifications
Current U.S. Class: Ear Plug Or Nose Clip (D24/106)
International Classification: 2404;