US D218652 S
Description (OCR text may contain errors)
United States Patent 0 "me "es-118,652
Patented Sept. 8, 1970 INTRUSION ALARM Robert Podall, Chicago, Ill., assignor to American Machine & Foundry Company, a corporation of New Jersey Filed July 28, 1969, Ser. No. 18,437
Term of patent '14 years Int. Cl. D29-99 US. Cl. D72-1 FIGS. 1 and 2 are front and rear perspective views, References Cited reslpggiigly, of my new design for an intrusion alarm. UNITED STATES PATENTS The ornamental design for an intrusion alarm, as 0923 4/1887 Silver' shown.
OTHER REFERENCES Industrial Design, September 1964, p. 14, Sanborn Cardiogram Recorder Casing.
WALLACE R. BURKE, Primary Examiner S. J. MERCER, Assistant Examiner