Grooved piston

Information

  • Patent Grant
  • D621930
  • Patent Number
    D621,930
  • Date Filed
    Tuesday, August 4, 2009
    15 years ago
  • Date Issued
    Tuesday, August 17, 2010
    14 years ago
  • US Classifications
    Field of Search
    • US
    • D24 112
    • D24 114
    • D24 127-130
    • 206 363-364
    • 206 367000
    • 604 054000
    • 604 110000
    • 604 192000
    • 604 263000
    • 604 295000
  • International Classifications
    • 2402
    • Term of Grant
      14Years
      Disclaimer
      This patent is subject to a terminal disclaimer.
Abstract
Description


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.


Claims
  • The ornamental design for a grooved piston, as shown and described.
US Referenced Citations (31)
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
Foreign Referenced Citations (1)
Number Date Country
1 475 430 Jun 1977 GB