Composite differential piston

Description

FIG. 1 is a front perspective view of a composite differential piston showing my new design;

FIG. 2 is a partial cutaway, front perspective view of FIG. 1 taken along the line 2-2 in FIG. 1;

FIG. 3 is a rear perspective view of FIG. 1;

FIG. 4 is a front elevation view of FIG. 1;

FIG. 5 is a rear elevation view, rotated 180.degree. of FIG. 1; and,

FIG. 6 is a right side elevation view of FIG. 1.

The broken lines shown in the drawings are for the purpose of illustrating portions of the article that form no part of the claimed design.

Claims

CLAIM The ornamental design for a composite differential piston, as shown and described.

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Inventors:	Williams; Kelly A. (South Lyon, MI), Mapkar; Javed A. (Farmington Hills, MI), Heatwole; Gregory L. (Marshall, MI), Frazier; Daniel S. (Kalamazoo, MI)
Applicant:	Name City State Country Type Williams; Kelly A. Mapkar; Javed A. Heatwole; Gregory L. Frazier; Daniel S. South Lyon Farmington Hills Marshall Kalamazoo MI MI MI MI US US US US
Assignee:	Eaton Corporation (Cleveland, OH)
Appl. No.:	D/426,321
Filed:	July 3, 2012

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Current U.S. Class:	D15/5
Current International Class:	1501
Field of Search:	;D15/1-6,148,149,199 ;192/85.02,103F,85,88,70,11 ;D12/160,159 ;475/226,150,151,152,153,154,249,248,231 ;180/305

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References Cited [Referenced By]

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U.S. Patent Documents

2057158	October 1936	Moffitt
3490312	January 1970	Dehart et al.
4214507	July 1980	Hock et al.
6059680	May 2000	Yoshioka
6109615	August 2000	Gildea et al.
6238315	May 2001	Morse et al.
6332522	December 2001	Morse et al.
6918851	July 2005	Ziech et al.
7063198	June 2006	Fratta et al.
7290562	November 2007	Kane
7318509	January 2008	Barlage
7341136	March 2008	Park
7749124	July 2010	Nakajima
8083041	December 2011	Capito et al.
8459137	June 2013	McCoy et al.
8763777	July 2014	Burns et al.
2001/0041637	November 2001	Leeper
2005/0261101	November 2005	Yoshioka
2007/0045078	March 2007	Park
2007/0289442	December 2007	Waller et al.
2008/0004151	January 2008	Nakajima
2008/0023918	January 2008	Strasser et al.
2008/0045371	February 2008	Donofrio et al.
2009/0193966	August 2009	Phlegm et al.
2010/0210391	August 2010	Dinger
2013/0239932	September 2013	Jessberger et al.
2014/0011619	January 2014	Pohl et al.

Foreign Patent Documents

	5256364		Oct 1993		JP
	5272639		Oct 1993		JP
	2007239972		Sep 2007		JP
	WO 83/01284		Apr 1983		WO
	WO 2011/023747		Mar 2011		WO

Primary Examiner: Nelson; T. Chase
Assistant Examiner: Aman; Ania
Attorney, Agent or Firm: Dierker & Associates, P.C.