Head hood for respiratory inhalation systems

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Description

FIG. 1 is a perspective view of a head hood for respiratory inhalation systems showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a right end elevational view thereof;

FIG. 4 is a left end elevational view thereof;

FIG. 5 is a top view thereof; and

FIG. 6 is a bottom view thereof.

Referenced Cited
U.S. Patent Documents
3196871 July 1965 Hormats et al.
3680557 August 1972 Doniguion
3786809 January 1974 Kitrilakis
3799163 March 1974 Heath
3813092 May 1974 Foster
Foreign Patent Documents
442,767 September 1947 IT
Patent History
Patent number: D243364
Type: Grant
Filed: Jul 23, 1975
Date of Patent: Feb 8, 1977
Inventor: Bruce B. Miller (Kalamazoo, MI)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Larry Jones
Attorney: Ian C. McLeod
Application Number: 5/598,858
Classifications
Current U.S. Class: D83/1F
International Classification: D2402;