Housing for a two-way ultrasonic ceiling sensor

- Novitas, Inc.

FIG. 1 is a front elevational view of the housing for a two-way ultrasonic ceiling sensor showing our new design;

FIG. 2 is a bottom plan view thereon;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is an end elevational view thereof, the opposite end being a mirror image.

Referenced Cited
U.S. Patent Documents
D269072 May 24, 1983 Sweet et al.
D290239 June 9, 1987 Bergerou
D304019 October 17, 1989 Carsello
D312611 December 4, 1990 Watson et al.
2396699 March 1946 Hayes et al.
Patent History
Patent number: D337542
Type: Grant
Filed: Oct 31, 1991
Date of Patent: Jul 20, 1993
Assignee: Novitas, Inc. (Santa Monica, CA)
Inventors: Steven T. Ewing (South Pasadena, CA), Douglas M. Patton (Bloomdale, CA), Dennis L. Grudt (Long Beach, CA)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Antoine D. Davis
Law Firm: Robbins, Dalgarn, Berliner & Carson
Application Number: 7/785,609