Electric meter cover

- Power Measurement Ltd.

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

FIG. 2 is a front elevation of the electric meter cover illustrated in FIG. 1;

FIG. 3 is a top view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is the rear end view thereof.

Referenced Cited
U.S. Patent Documents
D343803 February 1, 1994 Quellette 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
5049810 September 17, 1991 Kirby et al.
5473504 December 5, 1995 Horan et al.
5514959 May 7, 1996 Horan et al.
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. "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 ANSI C12-10-1978). "American National Standard for Electricity Meters 0.2 and 0.5 Accurancy 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 Auxiliary 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 Commision, 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 Commision, Modification 1 (1986). International Standard, Electromagnetic Compatibility (EMC)--Part 4: Testing and measurement techniques--Section 15: Flickemeter--Functional and design specifications, International Electrotechnical Commission, 61000 4-15 (1997).
Patent History
Patent number: D429655
Type: Grant
Filed: Aug 9, 1999
Date of Patent: Aug 22, 2000
Assignee: Power Measurement Ltd.
Inventors: Peter C. Cowan (Sidney), Markus F. Hirschbold (Victoria), Werner Reinhard Simbeck (Mill Bay), I. Ross Macfarlane (Victoria)
Primary Examiner: Antoine Duval Davis
Law Firm: Brinks Hofer Gilson & Lione
Application Number: 0/109,153
Current U.S. Class: Public Utility Meter, I.e., Gas, Water, Etc. (D10/99); Element Or Attachment (4) (D10/103)
International Classification: 1004;