USD226539S - Fire detector - Google Patents

Description

nited States Patent ()fiice 226,539

Patented Mar. 20, 1973 226,539 FIRE DETECTOR Duane D. Pearsall, Morrison, Colo., assignor to Statitrol Corporation, Lakewood, Colo.

Filed July 19, 1971, Ser. No. 164,213

Term of patent 14 years Int. Cl. D29-02 U.S. Cl. D72-1 R FIG.|.

FIG. 4.

FIG. 1 is a front elevational view of the fire detector References Cited showing my new design;

FIG. 2 is a right side view thereof in elevation with UNIThD STAT S PATENTS the left side view being a mirror image thereof; 2,345,772 4/1944 Robertson et 340 '237 R FIG. 3 is a top plan view thereof; and 2397'844 4/1946 Dewhurst' Ri i a Plan themf' WALLACE R. BURKE, Primary Examiner The ornamental design for a fire detector, as shown and S. I. MERCER, Assistant Examiner described.

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