Detector

- Pittway Corporation
Description

FIG. 1 is a perspective view of the cover for a smoke detector illustrating one embodiment of my new design;

FIG. 2 is a side elevational view of the smoke detector of FIG. 1;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a side elevational view rotated 180.degree. with respect to FIG. 2;

FIG. 5 is another side elevational view rotated 90.degree. with respect to FIG. 2;

FIG. 6 is a perspective view of another smoke detector illustrating an alternate embodiment of my design;

FIG. 7 is a side elevational view of the smoke detector of FIG. 6;

FIG. 8 is a bottom plan view of the smoke detector of FIG. 6;

FIG. 9 is a side elevational view of the smoke detector of FIG. 6 rotated 180.degree. with respect to FIG. 7; and,

FIG. 10 is a side elevational view of the smoke detector of FIG. 6 rotated 90.degree. with respect to FIG. 7.

The backs of the smoke detectors of FIGS. 1 and 6 have not been illustrated. They are unadorned and not part of the design.

Referenced Cited
U.S. Patent Documents
D249481 September 19, 1978 Conforti et al.
D249482 September 19, 1978 Conforti et al.
D249483 September 19, 1978 Conforti et al.
D253525 November 27, 1979 Wilson
D258353 February 24, 1981 Mango et al.
D261997 November 24, 1981 Westphal
D262868 February 2, 1982 Westphal
D262952 February 9, 1982 Hanig
D271287 November 8, 1983 Fenne
D271670 December 6, 1983 Takai et al.
D276417 November 20, 1984 Fenne
D283407 April 15, 1986 Fenne
D284748 July 22, 1986 Fenne
D306409 March 6, 1990 Fish
D308835 June 26, 1990 Fenne
D316828 May 14, 1991 Amemiya et al.
D319798 September 10, 1991 Hatano
D331547 December 8, 1992 Ogawa et al.
D332231 January 5, 1993 Akimoto et al.
Other references
  • System Sensor, Model 1800 2-Wire Systems Detectors, 2 pg. brochure, May 1988. System Sensor, 400 Serial Next Generation Detectors, 2 pg. brochure, 1991. System Sensor, 4451E/5451E2 Plug-in Thermal Detectors; 2 pg. brochure, Jun. 1992. System Sensor, 400 Series Ionization Smoke Detectors; 2 pg. brochure, Oct. 1991. System Sensor, 2851B Series 2/4/6-Wire Systems Detectors, 2 pg. brochure, Oct. 1988. System Sensor, 5551B Intelligent Fixed Temperature Thermal Sensor with Integral Communications, 2 pg. brochure, 1991. System Sensor, 400 Series Plug-in Smoke Detectors, 4 pg. brochure, Jul. 1992.
Patent History
Patent number: D340416
Type: Grant
Filed: Sep 9, 1992
Date of Patent: Oct 19, 1993
Assignee: Pittway Corporation (Chicago, IL)
Inventor: Kenneth R. Fenne (Glen Ellyn, IL)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Marcus Jackson
Law Firm: Dressler, Goldsmith, Shore, Sutker & Milnamow, Ltd.
Application Number: 7/942,527
Classifications
Current U.S. Class: D10/106