Anesthesia and respiratory face mask

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Description

FIG. 1 is a front elevational view of an anesthesia and respiratory face mask showing my new design;

FIG. 2 is a side elevational view thereof, the opposite side elevational view being a mirror image of that shown;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and

FIG. 5 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D236033 July 1975 Dryden
D285496 September 2, 1986 Berman
2666432 January 1954 Stanton
3315674 April 1967 Bloom et al.
4062357 December 13, 1977 Laerdal
4328797 May 11, 1982 Rollins, III et al.
4337767 July 6, 1982 Yahata
Patent History
Patent number: D293613
Type: Grant
Filed: Nov 18, 1985
Date of Patent: Jan 5, 1988
Assignee: Anesthesia Respiratory Technology, Inc. (Noblesville, IN)
Inventor: Harry L. Wingler (Indianapolis, IN)
Primary Examiner: James M. Gandy
Assistant Examiner: Kay H. Chin
Law Firm: Woodard, Emhardt, Naughton, Moriarty & McNett
Application Number: 6/799,267
Classifications
Current U.S. Class: D29/7