USD231134S - Burglar alarm - Google Patents

Description

Des. 231,134 Patented Apr. 2, 1974 United States Patent 0 Ice BURGLAR ALARM Peter John Doodson, De Koppele 133,

Eindhoven, Netherlands Filed May 4, 1971, Ser. No. 140,311

Claims priority, application Switzerland Nov. 9, 1970 Term of patent 14 years Int. Cl. D29--99 US. Cl. D72-1 A FIG.2

FIG.3

Des. 231,134

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FIG.7

FIG. 1 is a perspective view of the burglar alarm show- References Cited i i 1 1 th f UNITED STATES PATENTS 1s a ran e eva rona view ereo FIG, 3 is a rear elevational view thereof; 187714 4/1960 Taylor. D52 '7 FIG. 4 is a left side elevational view thereof; 218439 8/1970 Horowltz et D26"13 FIG. 5 is a right side elevational view thereof; OTHER REFERENCES 5 f a top Plan thereof; Design News, Oct. 10, 1960, p. 38, control panel. 7 1s a bottom Plan thereof United Systems Corp. Digi-EC" Catalog, rec'd May The apertures are partially shown in FIGS. 1 and 2 9 1 69 23 t l for convenience of illustration, it being understood that 9 paper punch con r01 they continue uniformly within the areas inclosed in WALLACE BURKE, primary Examiner b k l' r0 en mes S. J. MERCER, Assistant Examiner I claim: The ornamental design for a burglar alarm, as shown and described.

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