Keyboard

- Marquardt GmbH
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Description

FIG. 1 is a perspective view of a keyboard showing the new design, depicting the front, top and one side thereof;

FIG. 2 is a top plan view of the keyboard;

FIG. 3 is an elevation view, showing the front of the keyboard;

FIG. 4 is an elevation view, showing the rear of the keyboard;

FIG. 5 is an elevation view, showing one side of the keyboard;

FIG. 6 is an elevation view, showing the other side of the keyboard; and,

FIG. 7 is a bottom plan view of the keyboard.

Referenced Cited
U.S. Patent Documents
D323817 February 11, 1992 Buchin
D340445 October 19, 1993 Marquardt et al.
D341134 November 9, 1993 Marquardt et al.
D346376 April 26, 1994 Marquardt et al.
Other references
  • Ergonomische Tastaturgestaltung from Fraunhofer-Institut Design For An Ergonomic Keyboard.
Patent History
Patent number: D365552
Type: Grant
Filed: Sep 2, 1993
Date of Patent: Dec 26, 1995
Assignee: Marquardt GmbH (Rietheim-Weilheim)
Inventors: Kai-Uwe Marquardt (Tuttlingen), Ralf Sauer (Wurmlingen)
Primary Examiner: Freda Nunn
Law Firm: Spencer, Frank & Schneider
Application Number: 0/12,439
Classifications
Current U.S. Class: D14/115