Inhalation mask

Description

FIG. 1 is a front elevational view of an inhalation mask showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a transverse sectional view thereof and is taken along line 3--3 of FIG. 1;

FIG. 4 is a right side elevational view thereof; the left side view being a mirror image of FIG. 4;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D141602 June 1945 Bulbulian
D189009 October 1960 Muller
D236033 July 1975 Dryden
D239469 April 1976 Haldin et al.
3315674 April 1967 Bloom et al.
Patent History
Patent number: D247982
Type: Grant
Filed: Sep 10, 1976
Date of Patent: May 23, 1978
Inventor: Robert A. Huddy (Arcadia, CA)
Primary Examiner: Bernard Ansher
Attorney: Fred N. Schwend
Application Number: 5/722,326
Classifications
Current U.S. Class: D29/8; D29/7
International Classification: D2902; D2402;