Fire detection system
US D228962 S
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Description (OCR text may contain errors)
United States Patent Ofifice 228,962
Patented Oct. 30, 1973 FIRE DETECTION SYSTEM Thomas A. Rausch, White Bear Lake, Minm, assignor to Elan Industries, Inc., St. Paul, Minn.
Filed Mar. 3, 1971, Ser. No. 120,795
Term of patent 14 years Int. Cl. D2901 US. Cl. D721 R Des. 228,962
PAGE 2 FIG. 1 is a front perspective view showing theembodiment of my new design.
FIG. 2 is a left side view.
The back, sides and bottom of the box-like enclosure are flat and pnadorned. Y
The ornamental design for a fire detee-tion system, "as shown and described.
References Cited H. F. Cox Co., Coxline Panel & Enclosure Catalog E-l, recd May 1960, p. 5, wall mounted cabinet.
Institutions, March 1959, p. 64, lighting unit.
WALLACE R. BURKE, Primary Examiner S. J. MERCER, Assistant Examiner