Humidity sensor


FIG. 1 is a top and right front perspective view of a humidity sensor showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D234581 March 1975 Koehler
D247162 February 7, 1978 Vanasco
D250882 January 23, 1979 Johansen
D279274 June 18, 1985 Emori
3427537 February 1969 Osborne
Other references
  • Industrial Equip. News-6/65-p. 27-Hygrometer at bottom right.
Patent History
Patent number: D292778
Type: Grant
Filed: Feb 28, 1985
Date of Patent: Nov 17, 1987
Assignee: Gardena Kress & Kastner GmbH
Inventors: Franco Cilvio (Zurich), Dieter Raffler (Neu-Ulm)
Primary Examiner: Nelson C. Holtje
Law Firm: Steele, Gould & Fried
Application Number: 6/706,800
Current U.S. Class: Moisture (D10/56); D 8/1