Four-pan algebra balance

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Description

FIG. 1 is a front view of a four-pan algebra balance showing my new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

Referenced Cited
U.S. Patent Documents
D155162 September 1949 Jensen
784145 March 1905 Donecker
3000114 September 1961 Orlov
3721019 March 1973 Befferman
3742619 July 1973 Jenks
4713009 December 15, 1987 Borenson
5425643 June 20, 1995 Strickland
Patent History
Patent number: D398549
Type: Grant
Filed: Aug 11, 1997
Date of Patent: Sep 22, 1998
Assignee: Cuisenaire Company of America, Inc. (White Plains, NY)
Inventors: George Kung (Stevens Point, WI), Ken Vicchiollo (Berlin, WI)
Primary Examiner: Antoine Duval Davis
Law Firm: Nutter, McClennen & Fish, LLP
Application Number: 0/75,016
Classifications
Current U.S. Class: Beam Or Balance Type (D10/90)
International Classification: 1004;