Pressure vessel locking ring

Information

  • Patent Grant
  • D468392
  • Patent Number
    D468,392
  • Date Filed
    Wednesday, November 22, 2000
    24 years ago
  • Date Issued
    Tuesday, January 7, 2003
    22 years ago
Abstract
Description




FIG. 1 is a front view of a pressure vessel locking ring showing the new design;




FIG. 2 is a left side elevation view thereof;




FIG. 3 is a right side elevation view thereof;




FIG. 4 is a bottom plan view thereof;




FIG. 5 is a top plan view thereof;




FIG. 6 is a rear elevational view thereof with the dotted line indicating that the end of the ring forms no part of the design; and,




FIG. 7 is a perspective view of the locking ring of FIG. 1 shown in expanded condition to emphasize its helical shape.



Claims
  • We claim the ornamental design for a pressure vessel locking ring, as shown and described.
US Referenced Citations (4)
Number Name Date Kind
3937780 Mercier Feb 1976 A
4781830 Olsen Nov 1988 A
5036996 Epstein Aug 1991 A
5720411 Darby et al. Feb 1998 A