Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.

Patents

  1. Advanced Patent Search
Publication numberUSD216984 S
Publication typeGrant
Publication dateMar 24, 1970
Filing dateMar 15, 1968
Publication numberUS D216984 S, US D216984S, US-S-D216984, USD216984 S, USD216984S
InventorsMclvin E. Stanford
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Electrical meter having calibration matrix
US D216984 S
Abstract  available in
Images(2)
Previous page
Next page
Claims  available in
Description  (OCR text may contain errors)

' 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.

We claim:

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

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US7908080Dec 31, 2004Mar 15, 2011Google Inc.Transportation routing
US8606514Apr 23, 2013Dec 10, 2013Google Inc.Transportation routing
US8798917Aug 9, 2013Aug 5, 2014Google Inc.Transportation routing