Ear muff attachment for a safety helmet

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Description

FIG. 1 is a bottom perspective view of an ear muff attachment for a safety helmet showing my new design;

FIG. 2 is a front elevational view thereof; and

FIG. 3 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D248191 June 20, 1978 Csiki et al.
D255058 May 27, 1980 Lonnstedt
3461463 August 1969 Beguin
Patent History
Patent number: D267440
Type: Grant
Filed: Nov 13, 1980
Date of Patent: Jan 4, 1983
Inventor: Bo G. Lonnstedt (S-141 45 Huddinge)
Primary Examiner: Joel Stearman
Assistant Examiner: Carmen H. Vales
Law Firm: Young & Thompson
Application Number: 6/206,464
Classifications
Current U.S. Class: D/2233; D/2259
International Classification: D0203;