Gas tonometer


FIG. 1 is a front three quarter perspective view of a gas tonometer showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
2680060 June 1954 Natelson
3441479 April 1969 Jankay
4251483 February 17, 1981 Carroll
4253845 March 3, 1981 Smernoff
Patent History
Patent number: D264504
Type: Grant
Filed: Oct 15, 1979
Date of Patent: May 18, 1982
Inventors: Russell S. Weber (Westlake Village, CA), Thomas H. Miller (Newbury Park, CA)
Primary Examiner: Veronica O'Keefe
Attorney: Ralph B. Pastoriza
Application Number: 6/84,808
Current U.S. Class: D24/21; 23/928; Blood Treating Device For Transfusible Blood (422/44)
International Classification: D2499;