Headphone

Follow

Information

Patent Grant
D338010

References
Source

Patent Number
D338,010
Date Filed
Wednesday, August 7, 1991
33 years ago
Date Issued
Tuesday, August 3, 1993
31 years ago

Inventors
- Katsumi Yamatogi
Original Assignees
- Sony Corporation
Examiners
- Ansher; Bernard
- Morris; Sandra
Agents
- Eslinger; Lewis H.
- Maioli; Jay H.

US Classifications
- D14 - Recording, communication, or information retrieval equipment
Field of Search
- US
- D14 204-206
- D14 223
- D29 19
- 181 129
- 379 430
- 379 444
- 381 25
- 381 68
- 381 158
- 381 183
- 381 187
- 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
3-9187	Mar 1991	JPX

US Referenced Citations (7)

Number	Name	Date	Kind
D286772	Pope	Nov 1986
D300133	Daidon et al.	Mar 1989
D305541	Hirose	Jan 1990
D310081	Daido et al.	Aug 1990
D316861	Yoda et al.	May 1991
D323167	Yamazaki et al.	Jan 1992
4597469	Nagashima	Jul 1986

Non-Patent Literature Citations (2)

Entry
Crutchfield Home Stereo Catalog Jun. 1982 p. 71 Mura Redset VII, left side.
W. Bell & Co. 1987-1988 Catalog p. 203 Sony FM/AM Walkman headset, item 3.