Headphone

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Information

Patent Grant
D328074

References
Source

Patent Number
D328,074
Date Filed
Thursday, February 7, 1991
33 years ago
Date Issued
Tuesday, July 21, 1992
32 years ago

Inventors
- Akira Yamazaki
- Ohshi Miyashita
Original Assignees
- Sony Corporation
Examiners
- Rademaker; Charles A.
Agents
- Eslinger; Lewis H.
- Maioli; Jay H.

US Classifications
- D14 - Recording, communication, or information retrieval equipment
Field of Search
- US
- D14 205-207
- D14 223
- D14 299
- D14 220
- 381 25
- 381 158
- 381 183
- 381 189
- 381 58
- 379 40
- 379 444
- 181 129
- Term of Grant
  14Years

Information

Abstract

Description

Claims

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

Priority Claims (1)

Number	Date	Country	Kind
2-26721	Aug 1990	JPX

US Referenced Citations (1)

Number	Name	Date	Kind
2593892	Kindel	Apr 1952

Non-Patent Literature Citations (1)

Entry
High Fidelity Magazine, Sep. 1987, p. 9, "Sony" Headphones.