Electrically heated ear muff

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Description

FIG. 1 is a right side elevational view of an electrically heated ear muff showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a perspective view thereof; and

FIG. 4 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D246259 November 1, 1977 Nishimura
D254876 May 6, 1980 Reitenga et al.
3249949 May 1966 Rosenberg et al.
4243851 January 6, 1981 Forney
4571746 February 25, 1986 Gorike
Patent History
Patent number: D292331
Type: Grant
Filed: Apr 22, 1985
Date of Patent: Oct 13, 1987
Inventor: Marvin P. Bryant (Detroit, MI)
Primary Examiner: Carmen H. Vales
Attorney: Don E. Ferrell
Application Number: 6/725,788
Classifications
Current U.S. Class: D29/19; D14/36