Electric meter

- Power Measurement Ltd.
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Description

FIG. 1 is a front perspective view of the electric meter of the invention;

FIG. 2 is a rear perspective view of the electric meter of the invention;

FIG. 3 is a front elevation of the electric meter illustrated in FIG. 1;

FIG. 4 is the rear end view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a left side view thereof; and,

FIG. 8 is a right side view thereof.

Referenced Cited
U.S. Patent Documents
D348019 June 21, 1994 Kocol et al.
D366434 January 23, 1996 Brown et al.
D381281 July 22, 1997 Miller et al.
D382498 August 19, 1997 Warwick
D389760 January 27, 1998 Mumm et al.
D406072 February 23, 1999 Houck et al.
D412859 August 17, 1999 Thiel
Other references
  • "PowerPlus Alpha.RTM. Meter," ABB Network Partner, brochure (May, 1997). "Alpha Solid State Polyphase Meter (Watts, VARs, VA)," ABB Power T&D Company Inc. Bulletin 42-270-B, pp. 1-12, Sep. 15, 1995. "Vectron.RTM. SVX Solid-State Polyphase Meters," Schlumberger, Bulletin 11314 (Mar., 1996). "QUAD4.RTM. Plus and MAXsys.RTM. Meters and IEDs," Siemens Power Transmission & Distribution, LLC, ST&D Meter Division, Charlotte, NC 28273, Brochure, pp. 1-13, (Apr. 1998). "MAXsys.RTM. 2510 Substation/High-End Direct Access Meter," Siemens brochure (MAX2510DSO, Apr. 1998). "7330 ION.RTM." Digital 3-Phase Power Meter, Power Measurement, brochure, revised Jul. 23, 1998, first published Feb. 1, 1998, pp. 1-6. "7700 ION.RTM." 3-Phase Power Meter Analyzer and Controller, Power Measurement, brochure, revised Dec. 8, 1998, first published Mar. 31, 1995. "MARK-V Digital True RMS Energy Meter," TransData, Inc., Bulletin. "American National Standard for Electric Meters--Code for Electricity Metering," "American National Standard for Electric Meters--Code for Electricity Metering," ican National Standard, Document ANSI C12.1 (1995). "American National Standard for Electromechanical Watthour Meters," The Institute of Electrical and Electronics Engineers, Inc., ANSI C12 (1987) (Revision of ANSCI C12-10-1978). "American National Standard for Electricity Meters 0.2 and 0.5 Accuracy Classes," American National Standards, ANSI C12.20-(1998). "ISO--Specification MTR1-96, Engineering Specification For Polyphase Solid-State Electricity Meters For Use On The ISO Grid," Exhibit A, pp. 1-42 (1997). "Specifications For Approval Of Type of Electricity Meters, Instrument Transformers And Auxillary Devices," Consumer and Corporate Affairs Canada. International Standard, Alternating current static watt-hour meters for active energy (classes 0,2 S and 0,5 S), International Electrotechnical Commission, second edition (1992). "Meter-Mounting Devices, Industrial Products," Canadian Standards Association, C22.2 No. 115-M (1989). "Alternating-Current Electricity Metering, Electric Power Systems and Equipment," Canadian Standards Association, CAN3-C17-M (1984). International Standard, Amendment 1 to Publication 868 (1986), International Electrotechnical Commission, Modification 1 (1986). International Standard, Electromagnetic Compatibility (EMC)--Part 4: Testing and measurement techniques--Section 15: Flickermeter--Functional and design specifications, International Electrotechnical Commission, 61000 4-15 (1997).
Patent History
Patent number: D435471
Type: Grant
Filed: Jul 21, 1999
Date of Patent: Dec 26, 2000
Assignee: Power Measurement Ltd.
Inventors: Werner Reinhard Simbeck (Mill Bay), I. Ross Macfarlane (Victoria), Markus F. Hirschbold (Victoria)
Primary Examiner: Antoine Duval Davis
Law Firm: Brinks Hofer Gilson & Lione
Application Number: 0/108,165
Classifications
Current U.S. Class: Public Utility Meter, I.e., Gas, Water, Etc. (D10/99)
International Classification: 1004;