Oral-type thermochromic fever indicator

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Description

FIG. 1 is a front view of an oral-type thermochromic fever indicator, showing my new design.

FIG. 2 is a rear view thereof;

FIG. 3 is an end view thereof;

FIG. 4 is an end view thereof taken from the end opposite that shown in FIG. 3; and

FIG. 5 is a front view of a further embodiment of a oral-type thermochromic fever indicator showing my new design, the end and rear views of this embodiment being duplicates of those shown in FIGS. 2, 3 and 4.

Referenced Cited
U.S. Patent Documents
D238661 February 1976 Sagi et al.
D239262 March 1976 Van Kersen et al.
3430491 March 1969 Gignilliat
3633425 January 1972 Sanford
3677088 July 1972 Lang
3859856 January 1975 Keele et al.
Patent History
Patent number: D242604
Type: Grant
Filed: Jan 10, 1975
Date of Patent: Dec 7, 1976
Inventor: Philip L. Van Kersen (Indianapolis, IN)
Primary Examiner: Bernard Ansher
Attorney: Harold R. Woodard
Application Number: 5/540,108
Classifications
Current U.S. Class: Thermometer (D10/57)
International Classification: D1004;