Computer keyboard housing

- Wang Laboratories, Inc.
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Description

FIG. 1 is a top plan view of a computer keyboard housing showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a top, front, left side perspective view thereof.

Referenced Cited
U.S. Patent Documents
D271767 December 13, 1983 Ohie
D275755 October 2, 1984 Cottrill et al.
D279190 June 11, 1985 Tsumura et al.
D280408 September 3, 1985 Kuba
D281689 December 10, 1985 Peroni
D285305 August 26, 1986 Liuzzo et al.
D285793 September 23, 1986 Moggridge
D292708 November 10, 1987 Arney
D293244 December 15, 1987 Chu et al.
D293580 January 5, 1988 Arney
D293911 January 26, 1988 Lynar et al.
D304721 November 21, 1989 Mikan
Other references
  • Micro Switch, undated, p. 3, St Series Styles A-D, Low Profile Enclosures. American National Standard for Human Factors Engineering of Visual Display Terminal Workstations, ANSI/HfS 100-1988, publ. by the Human Factors Society, Inc. Ergonomics Recommendations for VDU Work Places, TR/22, ECMA-European Computer Manufacturers Association, Mar. 1984. IBM PC and PC-AT Plug Compatible Touch Panel Keyboard TCE434 Series, Touch Panel Specification Guide, Micro Switch, a Honeywell Division. Touch Panel Applications, Note 1, Basic Construction Approaches Used for Membrane Switching, Micro Switch, a Honeywell Division. Touch Panel Applications, Note 2, Electrostatic Discharge Considerations for Membrane Touch Panels, Honeywell, Keyboard Division (formerly Micro Switch. Touch Panel Applications, Note 3, Gold vs Silver Contacts for Membrane Touch Panels-Honeywell Keyboard Division (formly Microswitch). Touch Panel Materials-Graphic Layer Film Selection, Micro Switch (Honeywell Touch Panel Graphics-Type Selection and Copyfitting, Micro Switch, a Honeywell Division.
Patent History
Patent number: D320597
Type: Grant
Filed: Jan 24, 1989
Date of Patent: Oct 8, 1991
Assignee: Wang Laboratories, Inc. (Lowell, MA)
Inventors: Clifford E. Lacount (Townsend, MA), Peter S. Macdonald (Reading, MA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Freda S. Nunn
Attorneys: Michael H. Shanahan, Kenneth L. Milik
Application Number: 7/301,305
Classifications
Current U.S. Class: D14/115