Impeller

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Description

FIG. 1 is a top plan view of an impeller showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a bottom plan view thereof, and

FIG. 4 is a cross sectional view taken on line 4--4 of FIG. 3.

Referenced Cited
U.S. Patent Documents
D91001 November 1933 Weber
D113347 February 1939 Funk
D126043 March 1941 Evans
D194787 March 1963 Chadwick
D221382 August 1971 Bubb et al.
D227012 May 1973 Ranz et al.
D246856 January 3, 1978 O'Connor
3257071 June 1966 Harris
3692428 September 1972 Bubb et al.
3932062 January 13, 1976 Sisk
Patent History
Patent number: D285111
Type: Grant
Filed: Sep 8, 1983
Date of Patent: Aug 12, 1986
Assignee: Hanson Energy Products (Newcastle, ME)
Inventor: David J. Hanson (Newcastle, ME)
Primary Examiner: James R. Largen
Attorney: N. J. Aquilino
Application Number: 6/530,381