Earplug

- Daiko Co., Ltd.
Description

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

FIG. 2 is a rear view thereof;

FIG. 3 is a plan view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a cross-sectional view taken along line5--5 of FIG. 1;

FIGS. 6 and 7 are cross-sectional views taken along lines 6--6 and 7--7 respectively of FIG. 3.

Referenced Cited
U.S. Patent Documents
D195322 May 1963 Hill
D235483 June 1975 Leight
2888921 June 1959 Nielson
3871372 March 1975 Bivins
4160449 July 10, 1979 Wade
Patent History
Patent number: D259279
Type: Grant
Filed: Jan 5, 1979
Date of Patent: May 19, 1981
Assignee: Daiko Co., Ltd. (Fukuoka)
Inventor: Hidetaka Takeda (Fukuoka)
Primary Examiner: Bernard Ansher
Law Firm: Jordan and Hamburg
Application Number: 6/1,340
Classifications
Current U.S. Class: D24/67
International Classification: D2404;