Headphone

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Information

Patent Grant
D423012

References
Source

Patent Number
D423,012
Date Filed
Friday, January 30, 1998
26 years ago
Date Issued
Tuesday, April 18, 2000
24 years ago

Inventors
- Hiroshi Yasutomi
Original Assignees
- Sony Corporation
Examiners
- Bondade; Nanda
Agents
- Foley & Lardner

US Classifications
- D14 - Recording, communication, or information retrieval equipment
Field of Search
- US
- D14 192
- D14 205
- D14 206
- D14 223
- 181 129
- 181 130
- 379 430
- 379 431
- 381 370
- 381 309
International Classifications
- 1401
- Term of Grant
  14Years

Information

Abstract

Description

Claims

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

US Referenced Citations (4)

Number	Name	Date	Kind
D348466	Yamatogi	Jul 1994
D358391	Isono	May 1995
D376598	Hayashi	Dec 1996
D386181	Fisher	Nov 1997

Non-Patent Literature Citations (1)

Entry
Sony Catalog 87, pp. 250-251, Nov. 1997.