Grooved piston

Information

FIG. 1 is a perspective view of a top perspective view showing the new design for a grooved piston;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof.

The portions of the grooved piston shown in broken lines form no part of the claimed design.

Number	Name	Date	Kind
3998224	Chiquiar-Arias	Dec 1976	A
4252118	Richard et al.	Feb 1981	A
4660569	Etherington	Apr 1987	A
4826483	Molnar, IV	May 1989	A
5021047	Movern	Jun 1991	A
5042695	Battegazzore	Aug 1991	A
5183466	Movern	Feb 1993	A
5360146	Ikushima	Nov 1994	A
5453093	Haining	Sep 1995	A
5738655	Vallelunga et al.	Apr 1998	A
5865803	Major	Feb 1999	A
6503084	Evers et al.	Jan 2003	B2
6572565	Daley et al.	Jun 2003	B2
6632198	Caizza	Oct 2003	B2
6916308	Dixon et al.	Jul 2005	B2
7101351	Crawford et al.	Sep 2006	B2
7128246	Raia et al.	Oct 2006	B2
D581528	Sudo	Nov 2008	S
D583938	Sudo	Dec 2008	S
7503905	Jessop et al.	Mar 2009	B2
7547297	Brinkhues	Jun 2009	B2
20020077598	Yap et al.	Jun 2002	A1
20030233075	Huegli	Dec 2003	A1
20050137533	Sudo et al.	Jun 2005	A1
20060178643	Sudo et al.	Aug 2006	A1
20070078406	Lee	Apr 2007	A1
20070078407	Huang	Apr 2007	A1
20070167910	Tennican et al.	Jul 2007	A1
20070250004	Tung	Oct 2007	A1
20080097387	Spector	Apr 2008	A1
20080154192	Schraga	Jun 2008	A1

Number	Date	Country
1475430	Jun 1977	GB