Thermochromic finger thermometer
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FIG. 1 is a front elevational view of a thermochromic finger thermometer showing my new design with a typical temperature indication of 80 degrees;
FIG. 2 is a left side elevational view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a front elevational view of another embodiment of my new design of FIGS. 1-6 with a typical temperature indication of 70 degrees, all other views corresponding to FIGS. 2-6.
It is understood that each temperature indication shown in FIGS. 1 and 7 has a rectangular area adjacent thereto which is visible substantially only when the liquid crystal is at that temperature; hence, normally only one rectangle is visible at any given time.
| D236815 | September 1975 | Van Kersen |
| D239261 | March 1976 | Van Kersen |
| D241920 | October 1976 | Van Kersen |
| D244360 | May 17, 1977 | Van Kersen |
| D250997 | February 6, 1979 | Schuberth |
| D251547 | April 10, 1979 | McLeod |
| 3864976 | February 1975 | Parker |
| 3951133 | April 20, 1976 | Reese |
- Popular Science-1/76-p. 73-Liquid Crystal Thermometers. Retailing Home Furnishings-1/16/78-Sec. 2-p. 51, Thermometer at top right.
Type: Grant
Filed: Apr 17, 1980
Date of Patent: Aug 10, 1982
Assignee: Bio-Temp Products, Inc. (Indianapolis, IN)
Inventor: Kailash C. Khemka (Indianapolis, IN)
Primary Examiner: Nelson C. Holtje
Law Firm: Jenkins, Coffey, Hyland, Badger & Conard
Application Number: 6/140,458
