Alternating current sensing device

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Description

FIG. 1 is a front and bottom perspective view of an alternating current sensing device showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a left side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D214755 July 1965 McPhee
D222138 October 1971 Palmer
D243717 March 15, 1977 Edmark
D266270 September 21, 1982 Sugawara
D287473 December 30, 1986 Ueno
2476115 July 1949 Runbaken
2536577 January 1951 Simmons
2809347 October 1957 Bueter
2901692 August 1959 Polhemus
3822598 July 1974 Brothers
Patent History
Patent number: D299318
Type: Grant
Filed: Jul 25, 1986
Date of Patent: Jan 10, 1989
Inventor: John A. Chiang (Walnut Creet, CA)
Primary Examiner: Nelson C. Holtje
Attorney: John J. Leavitt
Application Number: 6/889,480