Aquarium thermometer

- Penn-Plax Plastics, Inc.
Description

FIG. 1 is a top plan view of an aquarium thermometer showing our new design;

FIG. 2 is a front elevational view;

FIG. 3 is a left side elevational view, the right side being a mirror image thereof;

FIG. 4 is a rear elevational view; and

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D89619 April 1933 Teague
D192232 February 1962 Willinger et al.
2073252 March 1937 Palmer
4169378 October 2, 1979 Di Marchi et al.
Patent History
Patent number: D258272
Type: Grant
Filed: Jun 8, 1978
Date of Patent: Feb 17, 1981
Assignee: Penn-Plax Plastics, Inc.
Inventors: Marvin A. Goldman (Great Neck, NY), Jerome N. Goldman (New York, NY), Silvio J. Di Marchi (NJ, NY), Arthur Gilmore (Greenlawn, NY)
Primary Examiner: Donald B. Moyer
Attorney: Michael A. Cornman
Application Number: 5/913,585
Classifications
Current U.S. Class: Expanding Fluid Type (D10/58); Thermometer (D10/57)
International Classification: D1004;