Nasal breathing piece

Description

FIG. 1 is a top plan view of a nasal breathing piece showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof; and

FIG. 6 is bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D237219 October 1975 Kattwinkel
2295321 September 1942 Anderson
2572254 October 1951 Folberth
3643660 February 1972 Hudson et al.
4367735 January 11, 1983 Dali
4641647 February 10, 1987 Behan
4753233 June 28, 1988 Grimes
Patent History
Patent number: D300962
Type: Grant
Filed: Nov 16, 1987
Date of Patent: May 2, 1989
Inventor: Duncan G. Johnson (Anoka, MN)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Kay H. Chin
Attorney: Henry C. Kovar
Application Number: 7/121,599
Classifications
Current U.S. Class: D29/7