Electrical meter having calibration matrix
US D216984 S
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' United States Patent ()ffice Patented at, 21, 33:
ELECTRICAL METER HAVING CALIBRATION MATRIX Melvin E. Stanford, Saratoga County, and Albert J.
Morford, Albany County, N.Y., assignors to Systomation, Inc., Schenectady, N.Y.
Filed Mar. 15, 1968, Ser. No. 10,987
Term of patent 14 years Int. Cl. D10-10 U.S. Cl. D261 \lllllll/ Systomabion (iunr'dohm Des. 216,984
PAGL 2 FIG. 1 is a perspective view of an electrical meter having calibration matrix designed in accordance with the invention;
FIG. 2 is a plan view of the electrical meter having calibration matrix shown in FIG. 1;
FIG. 3 is a side view of the electrical meter having calibration matrix; and
FIG. 4 is a back view of the electrical meter having calibration matrix according to the invention.
The characteristic features of the design reside in the particular arrangement and appearance of the calibration matrix together with the associated selectors on the forward portion of the meter.
The ornamental design for an electrical meter having calibration matrix, as shown and described.
References Cited UNITED STATES PATENTS D. 197,277 1/1964 De Wolf et al. D26-1 D. 197,774 3/1964 Dicke D265 D. 201,885 8/1965 Pezely D261 OTHER REFERENCES Electronic Technician, October 1960, meter at lower left of p. 22.
WALLACE R. BURKE, Primary Examiner J. COOPERSMITH, Assistant Examiner