Housing for a one-way ultrasonic ceiling sensor

Information

  • Patent Grant
  • D337733
  • Patent Number
    D337,733
  • Date Filed
    Thursday, October 31, 1991
    33 years ago
  • Date Issued
    Tuesday, July 27, 1993
    31 years ago
Abstract
Description
Claims
  • The ornamental design for a housing for a one-way ultrasonic ceiling sensor, as shown and described.
US Referenced Citations (5)
Number Name Date Kind
D269072 Sweet et al. May 1983
D290239 Bergerov Jun 1987
D304019 Carsello Oct 1989
D312611 Watson et al. Dec 1990
2396699 Hayes et al. Mar 1946