Self sealing piston ring

Information

  • Patent Grant
  • D573620
  • Patent Number
    D573,620
  • Date Filed
    Friday, February 9, 2007
    17 years ago
  • Date Issued
    Tuesday, July 22, 2008
    15 years ago
  • US Classifications
    Field of Search
    • US
    • D15 143
    • D15 148
    • D15 149
    • 092 1650PR
    • 092 193000
    • 092 212000
    • 092 223000
    • 123 193400
    • 227 103000
    • 227 138000
    • 227 163000
    • 227 193000
    • 227 194000
    • 227 215000
    • 227 216000
    • 227 218000
    • 227 222000
    • 227 2380A0
  • International Classifications
    • 1509
    • Term of Grant
      14Years
Abstract
Description


FIG. 1 is a perspective view of the piston ring;



FIG. 2 is a front elevation view of the piston ring, with the back elevation, left elevation and right elevation views identical to the front elevation view;



FIG. 3 is a top plan view of the piston ring;



FIG. 4 is a bottom plan view of the piston ring; and,



FIG. 5 is a sectional view of the piston ring taken along line 55 of FIG. 1.


Claims
  • The ornamental design for a self sealing piston ring, as shown and described.
US Referenced Citations (16)
Number Name Date Kind
2160654 Hagen May 1939 A
2311731 Bowers Feb 1943 A
2602010 Ernst Jul 1952 A
2900213 Bruce Aug 1959 A
3131944 Sanon May 1964 A
4488522 Jones Dec 1984 A
4499813 Lampert Feb 1985 A
5117742 Iida Jun 1992 A
5676380 Sell Oct 1997 A
D390855 Benson Feb 1998 S
D394866 Lee Jun 1998 S
D436117 Chuang Jan 2001 S
D490447 Ronfeldt et al. May 2004 S
20040217550 Lee Nov 2004 A1
20080000443 Donahue Jan 2008 A1
20080025855 Alaze et al. Jan 2008 A1