Keyboard

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Information

Patent Grant
D249513

References
Source

Patent Number
D249,513
Date Filed
Monday, November 15, 1976
48 years ago
Date Issued
Tuesday, September 19, 1978
46 years ago

Inventors
- Clarence D. Zierhut
Original Assignees
- MOHAWK DATA SCIENCES CORP
Examiners
- Lucas; Susan J.
Agents
- Hubbard; Robert R.

US Classifications
- D14 - Recording, communication, or information retrieval equipment
Field of Search
- US
- D14 40
- D14 41
- D14 41
- D14 42
- D14 43
- D14 44
- D14 45
- D14 46
- D14 47
- D14 49
- D14 50
- D14 51
- 200 5 A
- 235 145 R
International Classifications
- Term of Grant
  14Years

Information

Abstract

Description

Claims

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

US Referenced Citations (2)

Number	Name	Date	Kind
D226198	King	Jan 1973
3810167	Shepard	May 1974

Non-Patent Literature Citations (1)

Entry
Datamation, Aug. 1975, p. 89, Keyboard.