Keyboard key arrangement

- Northern Telecom Limited
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Description

FIG. 1 is a front perspective view of the keyboard key arrangement showing our new design;

FIG. 2 is a top plan view thereof; and

FIG. 3 is a front elevational view thereof;

The broken lines are shown for illustrative purposes only.

Referenced Cited
U.S. Patent Documents
D186316 October 1959 Flanders
D225858 January 1973 Kline
D249511 September 19, 1978 Olson
D270911 October 11, 1983 Endt
D272624 February 14, 1984 Genaro et al.
D278339 April 9, 1985 Caven
D281608 December 3, 1985 Bertone
D284285 June 17, 1986 Lindhe
D285793 September 23, 1986 Moggridge
D287249 December 16, 1986 Lindhe
D289761 May 12, 1987 Matulock et al.
3879602 April 1975 Walker
4527149 July 2, 1985 Swensen
Patent History
Patent number: D302977
Type: Grant
Filed: Nov 18, 1986
Date of Patent: Aug 22, 1989
Assignee: Northern Telecom Limited (Montreal)
Inventors: Edmond J. Helstab (Ottawa), Michael Brown (Nepean), Thomas A. Winlow (Kanata), Hans Bergman (Kanata)
Primary Examiner: Susan J. Lucas
Assistant Examiner: Freda S. Nuan
Attorney: Robert C. Hogeboom
Application Number: 6/932,129
Classifications
Current U.S. Class: D14/115