Keycap

Follow

Information

Patent Grant
D311913

References
Source

Patent Number
D311,913
Date Filed
Wednesday, April 22, 1987
39 years ago
Date Issued
Tuesday, November 6, 1990
35 years ago

Inventors
- David L. Schaum
Original Assignees
- International Business Machines Corporation
Examiners
- Burke; Wallace R.
- Nunn; Freda S.
Agents
- Kinnaman, Jr.; William A.
- Clark; George E.

US Classifications
- D14 - Recording, communication, or information retrieval equipment
Field of Search
- US
- D14 100
- D14 101
- D14 105
- D14 106
- D14 107
- D14 113
- D14 114
- D14 115
- D18 1
- D18 4
- D18 7
- D18 11
- D18 12
- 340 700
- 340 706
- 340 711
- 340 712
- 341 22
- 341 23
- 364 706-710
- 235 145 A
- 235 145 R
- 400 689-694
- 200 313-315
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a keycap, as shown and described.

US Referenced Citations (8)

Number	Name	Date	Kind
D212865	Bowman et al.	Dec 1968
D219027	Miller	Oct 1970
D282474	Sparks et al.	Feb 1986
3516604	Taylor et al.	Jun 1970
3861235	Wenderoth	Jan 1975
4365903	Zeller et al.	Dec 1982
4563550	Bertina	Jan 1986
4670633	Kaiwa et al.	Jun 1987

Non-Patent Literature Citations (1)

Entry
Lighted Program Function Keyboard and Keycap Design-Photographs (4) .COPYRGT.1986.