USD231568S - Current failure alarm - Google Patents
Current failure alarm Download PDFInfo
- Publication number
- USD231568S USD231568S US D231568 S USD231568 S US D231568S
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- US
- United States
- Prior art keywords
- current failure
- failure alarm
- alarm
- elevational view
- current
- Prior art date
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r n .Z3l,568 U ted States Patnt 1C Patented A? 30,1974
231,568 CURRENT FAILURE ALARM John P. Griffin, 3101 E. Old Shakopee Road, Bloomington, Minn. 55420 Filed Nov. 29, 1972, Ser. No. 310,659
Term of patent 3 years Int. Cl. DZ9-99 US. Cl. D721 A FIG. 1 is a front elevational view of a current failure References Cited alarm, showing my new design;
FIG. 2 is a side elevational view thereof; UNITED STATES PATENTS FIG. 3 is a top plan view thereof; and 1,065,151 6/1918 Manson 340*251 FIG. 4 is a rear elevational view. 2,786,991 3/1957 Herion 340227'1 X I claim: 3,321,595 5/1967 H8Il0ll 340-- 51 X An ornamental design for a current failure alarm, as Shown WALLACE R. BURKE, Primary Examiner S. J. MERCER, Assistant Examiner
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