Program function keyboard

- IBM
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Description

FIG. 1 is a right front perspective view of a program function keyboard showing my new design, the keyboard in a raised position;

FIG. 2 is a left front perspective view thereof, the keyboard in a lowered position;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear plan view thereof;

FIG. 5 is a rear perspective view thereof, the keyboard in a lowered position;

FIG. 6 is a rear perspective view thereof, the keyboard in a raised position;

FIG. 7 is a rear plan view thereof, the keyboard in a raised position.

Referenced Cited
U.S. Patent Documents
D272624 February 14, 1984 Genaro et al.
D278709 May 7, 1985 Xanthopoulus
D290373 June 16, 1987 Yubisui et al.
D292801 November 17, 1987 Davis, Jr. et al.
4527149 July 2, 1985 Swensen
Other references
  • Five photographs of a prior art Lighted Program Function Keyboard-submitted Aug. 25, 1987.
Patent History
Patent number: D308855
Type: Grant
Filed: Apr 23, 1987
Date of Patent: Jun 26, 1990
Assignee: International Business Machines Corporation (Armonk, NY)
Inventor: David L. Schaum (Woodstock, NY)
Primary Examiner: Susan J. Lucas
Assistant Examiner: Freda S. Nunn
Attorneys: Mark S. Walker, J. D. Moore, George E. Clark
Application Number: 7/41,791
Classifications
Current U.S. Class: D14/100; D14/115