Pulmonary function tester computer

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Description

FIG. 1 is a front perspective view of the pulmonary function tester computer embodying my new design;

FIG. 2 is a top plan view of the pulmonary function tester computer;

FIG. 3 is a front elevational view of the pulmonary function tester computer depicted in FIG. 1;

FIG. 4 is a rear elevational view of the pulmonary function tester computer of FIG. 1;

FIG. 5 is a bottom plan view of the pulmonary function tester computer embodying my new design;

FIG. 6 is a side elevational view of one side thereof; and

FIG. 7 is a side elevational view of the pulmonary function tester computer from the other side thereof.

Referenced Cited
U.S. Patent Documents
D229637 December 1973 Pun
D230210 January 1974 Gray et al.
3808706 May 1974 Mosley et al.
3922525 November 1975 Kozak et al.
Patent History
Patent number: D244637
Type: Grant
Filed: Sep 13, 1976
Date of Patent: Jun 7, 1977
Assignee: Life Support Equipment Corporation (Woburn, MA)
Inventor: Bernard N. Gray (East Pepperell, MA)
Primary Examiner: Bernard Ansher
Attorney: John H. Pearson
Application Number: 5/723,048
Classifications
Current U.S. Class: D24/17
International Classification: D2401;