Magnetic liquid agitating disk
Latest Bel-art Products, Inc. Patents:
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
Foreign Patent Documents
Other references
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 |
2082930 | March 1982 | GBX |
- 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
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