Magnetic liquid agitating disk

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Description

FIG. 1 is a perspective view of a magnetic liquid agitating disk showing my new design;

FIG. 2 is a plan view of one side thereof, with the other side appearing the same; and,

FIG. 3 is a front elevational view thereof, with the back and side elevational views appearing the same.

Referenced Cited
U.S. Patent Documents
D226346 February 1973 Newman
D240145 June 1976 Brown et al.
D269712 July 12, 1983 Tovey
2510399 June 1950 Harris
3088716 May 1963 Stott
3566532 March 1971 Wilson
3749369 July 1973 Landsberger
4376111 March 8, 1983 Tovey
4797005 January 10, 1989 Landsberger
Foreign Patent Documents
2082930 March 1982 GBX
Other references
  • Whatman Labsales Catalog "Magnetic Stir Bars" p. 103 .COPYRGT.1991.
Patent History
Patent number: D358659
Type: Grant
Filed: Feb 2, 1994
Date of Patent: May 23, 1995
Assignee: Bel-art Products, Inc. (Pequannock, NJ)
Inventor: Cliff Rohrabacher (Hampton, NJ)
Primary Examiner: A. Hugo Word
Assistant Examiner: I. Simmons
Attorney: Anthony F. Cuoco
Application Number: 0/18,303
Classifications
Current U.S. Class: Mixer Or Grinder (63) (D24/220); D21/86