Combined respiratory mask and inflatable head straps

- Intertechnique S.A.
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Description

FIG. 1 is a front elevational view of a combined respiratory mask and inflatable head straps showing my new design;

FIG. 2 is a left side perspective view thereof; and

FIG. 3 is a top plan view thereof.

The breathing tube in FIGS. 1 and 2 is shown broken away for convenience of illustration.

Referenced Cited
U.S. Patent Documents
2317237 April 1943 Wilen
2406888 September 1946 Meidenbauer, Jr.
3180333 April 1965 Lewis
4328798 May 11, 1982 Isaacson
4579113 April 1, 1986 McCreadie et al.
4595003 June 17, 1986 Shoemaker et al.
Patent History
Patent number: D304384
Type: Grant
Filed: Aug 21, 1986
Date of Patent: Oct 31, 1989
Assignee: Intertechnique S.A. (Plaisir)
Inventor: Guy G. A. Derobert (Gambais)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Kay H. Chin
Law Firm: Larson and Taylor
Application Number: 6/898,626
Classifications
Current U.S. Class: D29/9