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
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;
International Classification: D2902; D2402;