Blood warming apparatus

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Description

FIG. 1 is a front perspective view of a blood warming apparatus showing our new design.

FIG. 2 is a rear perspective view thereof.

FIG. 3 is a top plan view thereof.

FIG. 4 is a front perspective view with the door in an open position;

FIG. 5 is a right side elevational view thereof.

FIG. 6 is a front elevational view thereof.

FIG. 7 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D207688 March 1967 Drexler et al.
D222195 October 1971 Hultberg
2103371 December 1937 Kleckner
3504674 April 1970 Swenson et al.
3894213 July 1975 Agarwala
Patent History
Patent number: D250045
Type: Grant
Filed: Jan 24, 1977
Date of Patent: Oct 24, 1978
Inventors: Daniel B. Granzow, Jr. (Arlington Heights, IL), Robert J. Froehlich (Mount Prospect, IL)
Primary Examiner: Bernard Ansher
Attorney: Henry W. Collins
Application Number: 5/761,923
Classifications
Current U.S. Class: D24/8
International Classification: D2402;