Ear protector for oxygen feed line

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Description

FIG. 1 is a perspective view of an ear protector for oxygen feed line showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof; and

FIG. 4 is a front elevational view thereof.

The oxygen feed line and face shown in broken lines in FIG. 1 are for illustrative purposes only and form no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D287983 January 27, 1987 Picozza
2314782 March 1943 Goretsky
3047876 August 1962 Malcom, Jr.
3976234 August 24, 1976 Moudry et al.
4112988 September 12, 1978 Nelson
Patent History
Patent number: D311609
Type: Grant
Filed: Oct 28, 1987
Date of Patent: Oct 23, 1990
Inventor: Edwin R. Stoneburner, Sr. (St. Joseph, MO)
Primary Examiner: A. Hugo Word
Assistant Examiner: R. McInroy
Attorney: Richard C. Litman
Application Number: 7/113,719
Classifications
Current U.S. Class: D29/19