Anaesthetic and respiratory face mask
Description
FIG. 1 is a front perspective view of an anaesthesia and respiratory face mask showing our new design;
FIG. 2 is as rear perspective view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a cross sectional view taken along the line 5--5 of FIG. 3.
FIG. 6 is a front perspective view of a second embodiment of the anaesthesia and respiratory face mask the sole difference from the first embodiment being in the size of the cylindrical aperture at the front of the mask;
FIG. 7 is a rear perspective view of FIG. 6;
FIG. 8 is a top plan view thereof;
FIG. 9 is a bottom plan view thereof;
FIG. 10 is a cross sectional view taken along the line 5--5 of FIG. 8.
Referenced Cited
Patent History
Patent number: D303587
Type: Grant
Filed: Dec 18, 1987
Date of Patent: Sep 19, 1989
Inventors: Jeffrey J. Quinn (Indianapolis, IN), Brad H. Quinn (Indianapolis, IN)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Kay H. Chin
Attorney: R. Stephen Hansell
Application Number: 7/134,910
Type: Grant
Filed: Dec 18, 1987
Date of Patent: Sep 19, 1989
Inventors: Jeffrey J. Quinn (Indianapolis, IN), Brad H. Quinn (Indianapolis, IN)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Kay H. Chin
Attorney: R. Stephen Hansell
Application Number: 7/134,910
Classifications
Current U.S. Class:
D29/7