Centrifugal pump

- Ebara Corporation
Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a front elevational view of a centrifugal pump showing my new design, the rear being a mirror image of the front shown;

FIG. 2 is a right side view thereof;

FIG. 3 is a top plan view thereof; and

FIG. 4 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D154617 July 1949 Marsalis
D191333 September 1961 Johnson et al.
D236756 September 1975 Franzen
D242651 December 7, 1976 Arakawa
3134333 May 1964 Vielsen
3136258 June 1964 Bood
3408942 November 1968 Davenport et al.
Patent History
Patent number: D252811
Type: Grant
Filed: Jul 15, 1977
Date of Patent: Sep 4, 1979
Assignee: Ebara Corporation (Tokyo)
Inventor: Shinichiro Arakawa (Kanagawa)
Primary Examiner: James R. Largen
Attorney: Norman F. Oblon
Application Number: 5/816,145
Classifications
Current U.S. Class: Pump Or Compressor (D15/7)
International Classification: D1502;