Patent
   D252811
Priority
Jan 19 1977
Filed
Jul 15 1977
Issued
Sep 04 1979
Expiry
Sep 04 1993
Assg.orig
Entity
unknown
17
7
n/a
The ornamental design for a centrifugal pump, as shown and described.

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.

Arakawa, Shinichiro

Patent Priority Assignee Title
11326608, Aug 14 2017 WAYNE SCOTT FETZER COMPANY Thermally controlled utility pump and methods relating to same
11592033, Sep 30 2019 WAYNE SCOTT FETZER COMPANY Pump assembly and related methods
D384678, Oct 04 1996 Trane International Inc Refrigeration compressor shell
D440230, Oct 22 1999 ITT Manufacturing Enterprises, Inc Pump having a cylindrical housing
D440231, Oct 22 1999 ITT MANUFACTURING ERNTERPRISES, INC Pump having a bell-shaped housing
D491577, Sep 06 2002 Mitsuba Corporation Washer pump
D565600, Aug 07 2006 Leader Pumps Group S.p.A. Pump for liquids
D735882, Sep 07 2012 Nomis LLC Pump
D887449, May 22 2018 Micronel AG Centrifugal pump
D893741, Aug 30 2017 GEA Mechanical Equipment GmbH Housing for a centrifuge
D914060, Dec 17 2015 Wayne/Scott Fetzer Company Pump portion
D916932, Dec 17 2015 Wayne/Scott Fetzer Company Pump portion
D918268, Dec 17 2015 Wayne/Scott Fetzer Company Pump portion
D921919, Aug 30 2017 GEA Mechanical Equipment GmbH Housing for a centrifuge
D941883, Dec 17 2015 Wayne/Scott Fetzer Company Pump housing
D942512, Sep 29 2020 WAYNE SCOTT FETZER COMPANY Pump part
D954751, Dec 25 2019 Centrifugal pump
Patent Priority Assignee Title
3134333,
3136258,
3408942,
154617,
191333,
236756,
D242651, Jul 30 1975 Ebara Manufacturing Co., Ltd. Submersible pump
/
Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 15 1977Ebara Corporation(assignment on the face of the patent)
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule