Thermochromic thermometer

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Description

FIG. 1 is a front elevational view of a thermochromic thermometer showing my new design;

FIG. 2 is a typical side elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a typical end elevational view thereof.

Referenced Cited
U.S. Patent Documents
D236815 September 1975 Van Kersen
D239261 March 1976 Van Kersen
D240607 July 1976 Riley
D241920 October 1976 Van Kersen
D243512 March 1, 1977 Van Kersen
D251547 April 10, 1979 McLeod
4070912 January 31, 1978 McNaughtan
Patent History
Patent number: D261737
Type: Grant
Filed: Jan 10, 1980
Date of Patent: Nov 10, 1981
Assignee: American Thermometer Co., Inc. (Dayton, OH)
Inventor: William T. Hultquist (Dayton, OH)
Primary Examiner: Nelson C. Holtje
Law Firm: Jacox & Meckstroth
Application Number: 6/110,906
Classifications
Current U.S. Class: Thermometer (D10/57)
International Classification: D1004;