Impeller for centrifugal pumps or similar article

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Description

FIG. 1 is a perspective view of an impeller for centrifugal pumps or similar article showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof; and

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D27078 May 1897 Cahill et al.
D28217 January 1898 Enyant
D258588 March 17, 1981 Sugiura
D258589 March 17, 1981 Sugiura
1131294 March 1915 Traylor
2165808 July 1939 Murphy
2465671 March 1949 Van Millingen et al.
2869774 January 1959 Smith et al.
3021049 February 1962 Settle
3149823 September 1964 Entrikin
3953150 April 27, 1976 Onal
4093401 June 6, 1978 Gravolle
4167369 September 11, 1979 Ishihara
Patent History
Patent number: D268112
Type: Grant
Filed: Apr 1, 1980
Date of Patent: Mar 1, 1983
Inventor: Eiichi Sugiura (Hekinan-shi, Aichi-ken)
Primary Examiner: James R. Largen
Attorneys: Robert E. Burns, Emmanuel J. Lobato, Bruce L. Adams
Application Number: 6/136,274
Classifications
Current U.S. Class: Pump Or Compressor (D15/7)
International Classification: D1502;