Humidity and temperature meter

- Vaisala Oy
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Description

FIG. 1 is a front elevation view of a humidity and temperature meter showing my new design;

FIG. 2 is a right side elevational view, the left side elevational view being a mirror image;

FIG. 3 is a top plan view;

FIG. 4 is a rear elevational view; and

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D229968 January 1974 Williams
D255335 June 10, 1980 Joslin et al.
D300727 April 18, 1989 Fukushima
3855863 December 1974 Kuehn et al.
4444990 April 24, 1984 Villar
4572365 February 25, 1986 Bruno et al.
4619271 October 28, 1986 Burger et al.
Other references
  • Wahl Digital Heat-Prober Thermometer, Maxi-Temp, 8/76, cover. Pacer Industries, Inc., Model: HTA 4200, 8/10/82, cover. Extech, Electronic Hygro-Thermometer, 1987, p. 8.
Patent History
Patent number: D314155
Type: Grant
Filed: Sep 6, 1988
Date of Patent: Jan 29, 1991
Assignee: Vaisala Oy
Inventor: Timo Toivonen (Espoo)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Antoine D. Davis
Law Firm: Steinberg & Raskin
Application Number: 7/241,128
Classifications
Current U.S. Class: Temperature, Humidity, Atmospheric Condition (3) (D10/52)