Unipolar chamber for an ionization smoke detector
Latest Pittway Corporation Patents:
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
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
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