Automatic ventilator

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Description

FIG. 1 is a top perspective view of an automatic ventilator showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof, the rear elevational view being a mirror image;

FIG. 4 is a left end elevational view thereof;

FIG. 5 is a right end elevational view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top perspective view of another embodiment of my new design;

FIG. 8 is a top plan view thereof;

FIG. 9 is a front elevational view thereof, the rear elevational view being a mirror image;

FIG. 10 is a left end elevational view thereof;

FIG. 11 is a right end elevational view thereof; and

FIG. 12 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D200454 February 1965 Everitt
3267935 August 1966 Andreasen et al.
4197843 April 15, 1980 Bird
4719910 January 19, 1988 Jensen
Patent History
Patent number: D316603
Type: Grant
Filed: Sep 9, 1988
Date of Patent: Apr 30, 1991
Assignee: Life Support Projects, Inc. (Irvine, CA)
Inventor: Thomas F. Fangrow, Jr. (Corona, CA)
Primary Examiner: Stella Reid
Law Firm: Knobbe, Martens, Olson & Bear
Application Number: 7/242,473
Classifications
Current U.S. Class: D24/53