Aquarium thermometer

- Penn-Plax Plastics, Inc.
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Description

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

FIG. 2 is a front elevational view thereof;

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

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D96946 September 1935 Von Nessen
D155853 November 1949 Wappner
D186661 November 1959 Baldwin et al.
D256563 August 26, 1980 Goldman et al.
D258272 February 17, 1981 Goldman et al.
2035634 March 1936 Brown
2482228 September 1949 Wappner
2552257 May 1951 Chaney
2879666 March 1959 Brown
4169382 October 2, 1979 Goldman et al.
Patent History
Patent number: D275084
Type: Grant
Filed: May 19, 1980
Date of Patent: Aug 14, 1984
Assignee: Penn-Plax Plastics, Inc. (Garden City, NY)
Inventors: Marvin A. Goldman (Great Neck, NY), Jerome N. Goldman (New York, NY), Silvio J. Di Marchi (Wyckoff, NJ), Arthur Gilmore (Greenlawn, NY)
Primary Examiner: Nelson C. Holtje
Law Firm: Mandeville and Schweitzer
Application Number: 6/151,476
Classifications
Current U.S. Class: Expanding Fluid Type (D10/58)