Electric meter external I/O enclosure

- Power Measurement Ltd.
Description

FIG. 1 is a right front perspective view of a first embodiment of the electric meter external I/O enclosure;

FIG. 2 is a front elevation of a first embodiment of the electric meter external I/O enclosure 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;

FIG. 8 is a right front perspective view of a second embodiment of the electric meter external I/O enclosure;

FIG. 9 is a front elevation of a second embodiment of the electric meter external I/O enclosure illustrated in FIG. 8;

FIG. 10 is a top view thereof;

FIG. 11 is a left side view thereof;

FIG. 12 is a right side view thereof;

FIG. 13 is a bottom view thereof; and,

FIG. 14 is the rear end view thereof.

FIG. 15 is a right front perspective view of a third embodiment of the electric meter external I/O enclosure;

FIG. 16 is a front elevation of a third embodiment of the electric meter external I/O enclosure illustrated in FIG. 15;

FIG. 17 is a top view thereof;

FIG. 18 is a left side view thereof;

FIG. 19 is a rigth side view thereof;

FIG. 20 is a bottom view thereof; and,

FIG. 21 is the rear end view thereof.

FIG. 22 is a right front perspective view of a fourth embodiment of the electric meter external I/O enclosure;

FIG. 23 is a front elevation of a fourth embodiment of the electric meter external I/O enclosure illustrated in FIG. 22;

FIG. 24 is a top view thereof;

FIG. 25 is a left side view thereof;

FIG. 26 is a right side view thereof;

FIG. 27 is a bottom view thereof; and,

FIG. 28 is the rear end view thereof;

FIG. 29 is a right front perspective view of a fifth embodiment of the electric meter external I/O enclosure;

FIG. 30 is a front elevation of a fifth embodiment of the electeric meter external I/O enclosure illustrated in FIG. 29;

FIG. 31 is a top view thereof;

FIG. 32 is a left side view thereof;

FIG. 33 is a right side view thereof;

FIG. 34 is a bottom view thereof; and,

FIG. 35 is the rear end view thereof.

Referenced Cited
U.S. Patent Documents
D377353 January 14, 1997 Tajima et al.
4360913 November 23, 1982 Struger et al.
4858101 August 15, 1989 Stewart et al.
5334090 August 2, 1994 Rix
5877938 March 2, 1999 Hobbs et al.
Other references
  • Cutler-Hammer "IQ 200 Digital Meter" brochure, Publication No. PA. 17C.01.S.E, (Jun., 1998). Square D Groupe Schneider "Powerlogic.RTM. Power Meter", Bulletin No. 3020H09601R, (Oct., 1998). Power Measurement "7300 ION Digital Power Metering for the Cost of Analog", Bulletin, (Jul. 24, 1996). "7330 ION.RTM. Digital 3-Phase Power Meter", Power Measurement, Bulletin (Jul. 30, 1999). "7300 ION.RTM. Low Cost 3-Phase Power Meter", Power Measurement, Bulletin (Apr. 29, 1999). "7300 ION.RTM. Low Cost 3-Phase Power Meter", Power Measurement, Bulletin (Jul. 28, 1999).
Patent History
Patent number: D427533
Type: Grant
Filed: Oct 20, 1999
Date of Patent: Jul 4, 2000
Assignee: Power Measurement Ltd. (Saanichton BC)
Inventors: Peter C. Cowan (Sidney), Markus F. Hirschbold (Victoria)
Primary Examiner: Antoine Duval Davis
Law Firm: Brinks Hofer Gilson & Lione
Application Number: 0/112,585
Classifications