Ear plug

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Description

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.

Referenced Cited
U.S. Patent Documents
D195322 May 1963 Hill
D234321 February 1975 Visor
D242743 December 14, 1976 Leight
3259128 July 1966 Leight
3800791 April 1974 Visor
4094315 June 13, 1978 Leight
Patent History
Patent number: D253723
Type: Grant
Filed: Feb 6, 1978
Date of Patent: Dec 18, 1979
Inventor: Howard S. Leight (Malibu, CA)
Primary Examiner: Bernard Ansher
Attorney: Arthur Freilich
Application Number: 5/875,609
Classifications
Current U.S. Class: D24/67; 128/152
International Classification: D2404;