Microwave and passive infrared intrusion detector

Information

  • Patent Grant
  • D302952
  • Patent Number
    D302,952
  • Date Filed
    Tuesday, September 23, 1986
    38 years ago
  • Date Issued
    Tuesday, August 22, 1989
    35 years ago
Abstract
Description
Claims
  • The ornamental design for a microwave and passive infrared intrusion detector, as shown and described.
US Referenced Citations (5)
Number Name Date Kind
D261740 Lederer Nov 1981
D275464 Beeson et al. Sep 1984
D277652 Kahl, Jr. et al. Feb 1985
D286383 Kotlicki et al. Oct 1986
4604524 Kotlicki et al. Aug 1986