Face mask

- Intertech Resources Inc.
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Description

FIG. 1 is a front perspective view of a face mask showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof, the opposite side view being a mirror image of that shown;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
D189009 October 1960 Muller
D293613 January 5, 1988 Wingler
D305166 December 19, 1989 Quinn et al.
3315674 April 1967 Bloom et al.
3982532 September 28, 1976 Halltin et al.
4062357 December 13, 1977 Laerdal
4337767 July 6, 1982 Yahata
4799477 January 24, 1989 Lewis
Patent History
Patent number: D321419
Type: Grant
Filed: Nov 9, 1989
Date of Patent: Nov 5, 1991
Assignee: Intertech Resources Inc. (Lincolnshire, IL)
Inventor: Dean R. Wallace (Fort Myers, FL)
Primary Examiner: Kay H. Chin
Law Firm: Marshall, O'Toole, Gerstein, Murray & Bicknell
Application Number: 7/435,290
Classifications
Current U.S. Class: D29/8; D29/7