Stacked self-priming pump and centrifugal pump

Patent D534547 Issued on January 2, 2007. Estimated Expiration Date:

January 2, 2021. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3279386

Centrifugal-vortex pump
Patent #: 3936240
Issued on: 02/03/1976
Inventor: Dochterman

Pumping stage for multi-stage centrifugal pump
Patent #: 4278399
Issued on: 07/14/1981
Inventor: Erickson

Interconnected pumping mechanism
Patent #: 4395130
Issued on: 07/26/1983
Inventor: Kutowy

Tandem pump assembly
Patent #: 4586468
Issued on: 05/06/1986
Inventor: Dzioba

Centrifugal pump with modular bearing support for pumping fluids containing abrasive particles
Patent #: 5160240
Issued on: 11/03/1992
Inventor: Wilson

Vertical centrifugal hydraulic pump assembly
Patent #: 5201633
Issued on: 04/13/1993
Inventor: Peu

Tandem pump having a different sized vane for each pump
Patent #: 5213491
Issued on: 05/25/1993
Inventor: Fujiwara, et al.

Combined boiler feed and condensate pump
Patent #: 5215448
Issued on: 06/01/1993
Inventor: Cooper

Multi-stage centrifugal pump incorporating a sealed thrust bearing
Patent #: 5340272
Issued on: 08/23/1994
Inventor: Fehlau

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Inventors

Assignee

The Gormon-Rupp Co.

Application

No. 29220890 filed on 01/10/2005

US Classes:

D15/7PUMP OR COMPRESSOR

Examiners

Primary: Seifert, Ralf

Attorney, Agent or Firm

McDermott, Will & Emery

Claims

CLAIM The ornamental design for a stacked self-priming pump and centrifugal pump, as shown and described.

Description

This application claims priority from and is related to U.S. Patent Application No. 10/794,400, filed Mar. 8, 2004, entitled "Stacked Self-Priming Pump and Centrifugal Pump", by inventors Donald W. Racer and Michael L. Keith. The contents of the patent application are hereby incorporated by reference in its entirety.

FIG. 1 is a front perspective view of a first embodiment of the stacked self-priming pump and centrifugal pump showing the new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is another side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a front perspective view of a second embodiment of the stacked self-priming pump and centrifugal pump showing the new design;

FIG. 9 is a front view thereof;

FIG. 10 is a rear view thereof;

FIG. 11 is a side view thereof;

FIG. 12 is another side view thereof;

FIG. 13 is a top view thereof;

FIG. 14 is a bottom view thereof;

FIG. 15 is a front perspective view of a third embodiment of the stacked self-priming pump and centrifugal pump showing the new design;

FIG. 16 is a front view thereof;

FIG. 17 is a rear view thereof;

FIG. 18 is a side view thereof;

FIG. 19 is another side view thereof;

FIG. 20 is a top view thereof; and,

FIG. 21 is a bottom view thereof.

It being understood that the broken lines are for illustrative purpose only and form no part of the claimed design.

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