Telephone exchanger

- NEC Corporation
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Description

FIG. 1 is a perspective view of the top, front and right side of a telephone exchanger showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D214909 August 1969 Brefka
D292090 September 29, 1987 Shintomi
D324050 February 18, 1992 Ando
D327887 July 14, 1992 Pushelberg et al.
D330702 November 3, 1992 Hutton
D340031 October 5, 1993 Hill
D342250 December 14, 1993 Beaumont et al.
D348887 July 19, 1994 Namba
D367859 March 12, 1996 Beaumont et al.
D374673 October 15, 1996 Beaumont et al.
D382879 August 26, 1997 Beaumont
D390199 February 3, 1998 Jackson et al.
D408823 April 27, 1999 Kirby
D411185 June 22, 1999 Isshiki
D422967 April 18, 2000 Ishida
D422977 April 18, 2000 Hirose et al.
Patent History
Patent number: D433677
Type: Grant
Filed: Nov 30, 1999
Date of Patent: Nov 14, 2000
Assignee: NEC Corporation (Tokyo)
Inventors: Haruo Tsuge (Tokyo), Kazuo Ikeda (Tokyo), Kentaro Tsuda (Tokyo), Muneyoshi Mikuni (Tokyo)
Primary Examiner: Jeffrey Asch
Law Firm: Sughrue, Mion, Zinn, Macpeak & Seas, PLLC
Application Number: 0/114,595
Classifications
Current U.S. Class: Telephone Equipment (D14/240); Casing Or Enclosure Not Elsewhere Specified (D13/184)
International Classification: 1403;