Multi-cone earplug

Description

FIG. 1 is a front and bottom isometric view of a multi-cone earplug showing my new design;

FIG. 2 is a left side elevation view thereof, the right side being a mirror image thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a front and bottom isometric view of a multi-cone earplug showing another embodiment of my new design;

FIG. 6 is a left side elevation view of the earplug of FIG. 5, the right side being a mirror image thereof;

FIG. 7 is a front elevation view of the earplug of FIG. 5; and,

FIG. 8 is a rear elevation view of the earplug of FIG. 5.

Referenced Cited
U.S. Patent Documents
D195322 May 1963 Hill
D253723 December 18, 1979 Leight
D273614 April 24, 1984 Rolla
D298356 November 1, 1988 Falco
4219018 August 26, 1980 Draper, Jr.
4936411 June 26, 1990 Leonard
Other references
  • The Lab Safety Supply Catalog "Hearing Protection" p. 159 .COPYRGT.1990.
Patent History
Patent number: D372776
Type: Grant
Filed: Oct 15, 1992
Date of Patent: Aug 13, 1996
Inventor: Howard S. Leight (Santa Monica, CA)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: I. Simmons
Law Firm: Freilich Hornbaker Rosen
Application Number: 0/490
Classifications
Current U.S. Class: Ear Plug Or Nose Clip (D24/106)