Door viewer

Information

  • Patent Grant
  • D330211
  • Patent Number
    D330,211
  • Date Filed
    Thursday, November 7, 1991
    33 years ago
  • Date Issued
    Tuesday, October 13, 1992
    32 years ago
Abstract
Description
Claims
  • The ornamental design for a door viewer, as shown.
US Referenced Citations (6)
Number Name Date Kind
D310940 Degnan Sep 1990
3973835 Miyakawa et al. Aug 1976
4050792 Svensson Sep 1977
4251127 Yamaguchi Feb 1981
4269474 Kamamura May 1981
4964711 Degnan Oct 1990