Propeller for agitating liquids

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Description

FIG. 1 is a perspective view of a new propeller for agitaing liquids in accordance with the present invention;

FIG. 2 is a rear view of the propeller of FIG. 1;

FIG. 3 is a top plan elevational view of the propeller of FIG. 1;

FIG. 4 is a right side elevational view of the propeller of FIG. 1;

FIG. 5 is a bottom view of the propeller of FIG. 1; and

FIG. 6 is a front view of the propeller of FIG. 1; and,

FIG. 7 is a left side view of the propeller of FIG. 1.

Referenced Cited
U.S. Patent Documents
D291911 September 15, 1987 Fries
D341608 November 23, 1993 Fries
2578805 December 1951 Johnson
5152606 October 6, 1992 Borraccia et al.
Patent History
Patent number: D432621
Type: Grant
Filed: Dec 16, 1999
Date of Patent: Oct 24, 2000
Assignee: EMU Unterwasserpumpen GmbH (Hof)
Inventors: Helmut Etschel (Hof), Helmut Sporl (Naila)
Primary Examiner: Robin V. Taylor
Law Firm: Schweitzer Cornman Gross & Bondell LLP
Application Number: 0/115,559
Classifications
Current U.S. Class: Fluid Handling Or Treatment Equipment (D23/200); Treatment (D23/207); Propeller (D12/214)
International Classification: 2301;