Unipolar chamber for an ionization smoke detector

- Pittway Corporation
Description

FIG. 1 is a top plan view of a unipolar chamber for an ionization smoke detector, showing my new design;

FIG. 2 is a side elevation thereof;

FIG. 3 is an elevation as seen in the direction of line 3--3 of FIG. 2; and

FIG. 4 is an elevation as seen in the direction of line 4--4 of FIG. 2; and

FIG. 5 is an elevation as seen in the direction of line 5--5 of FIG. 4.

The broken lines are shown for illustrative purposes only.

Referenced Cited
U.S. Patent Documents
D245588 August 30, 1977 Hoge
D252172 June 19, 1979 Carroll
D260378 August 25, 1981 Mallory
D270625 September 20, 1983 Hiltenbrand
4280052 July 21, 1981 Solomon
Patent History
Patent number: D274506
Type: Grant
Filed: Feb 10, 1982
Date of Patent: Jul 3, 1984
Assignee: Pittway Corporation (Aurora, IL)
Inventor: Richard E. Hiltenbrand (Naperville, IL)
Primary Examiner: Bernard Ansher
Law Firm: Dithmar, Stotland, Stratman & Levy
Application Number: 6/347,528
Classifications
Current U.S. Class: Element Or Attachment (D10/121); D10/106