Digital thermo-hygrometer

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Description

FIG. 1 is a top, front and left side perspective view of a digital thermo-hygrometer showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a right side elevational view;

FIG. 4 is a rear elevational view;

FIG. 5 is a bottom plan view; and

FIG. 6 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
D156094 November 1949 Hallward
D279869 July 30, 1985 Tanaka
D288536 March 3, 1987 Tanaka
D297217 August 16, 1988 Wolff
3709039 January 1973 Preiser et al.
4737707 April 12, 1988 Mori et al.
4868491 September 19, 1989 Black
Patent History
Patent number: D309582
Type: Grant
Filed: Sep 11, 1987
Date of Patent: Jul 31, 1990
Assignee: 501 Tanaka Manufacturing Company Limited (Tokyo)
Inventor: Osamu Suzuki (Tokyo)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Antoine D. Davis
Law Firm: Amster, Rothstein & Ebenstein
Application Number: 7/96,069
Classifications
Current U.S. Class: Plural Or Combined (D10/53)