Multiple control box for a computer graphics workstation

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Information

Patent Grant
D313400

References
Source

Patent Number
D313,400
Date Filed
Thursday, August 13, 1987
37 years ago
Date Issued
Tuesday, January 1, 1991
33 years ago

Inventors
Original Assignees
- Digital Equipment Corporation
Examiners
- Lucas; Susan J.
- Nunn; Freda S.
Agents
- Kenyon and Kenyon

US Classifications
- D14 - Recording, communication, or information retrieval equipment
Field of Search
- US
- D14 100
- D14 106
- D14 107
- D14 114
- D13 12
- D13 32
- D13 38
- D21 48
- 340 700
- 340 706
- 340 711
- 340 712
- 341 22
- 341 23
- 178 18
- 178 19
- 273 148 B
- 074 471 XY
- 200 5 A
- 200 5 R
- 200 6 A
- 200 6 R
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for multiple control box for a computer graphics workstation, as shown and described.

US Referenced Citations (5)

Number	Name	Date	Kind
D274631	Smith, III et al.	Jul 1984
D276247	Kim	Nov 1984
D291806	Conway et al.	Sep 1987
3479898	Prager	Nov 1969
4590339	Scott-Jackson et al.	May 1986

Non-Patent Literature Citations (2)

Entry
Photographs of an Evans & Sutherland, Model No. PS300, Dial Box.
Advertising Brochure of an Evans and Sutherland Model PS390, Graphics Workstation.