Headphone

- U.S. Philips Corporation
Description

FIG. 1 is a perspective view of a headphone, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D286772 November 18, 1986 Pope
D300133 March 7, 1989 Daidoh et al.
D305541 January 16, 1990 Hirose
D310081 August 21, 1990 Daido et al.
D316861 May 14, 1991 Yoda et al.
D323167 January 14, 1992 Yamazaki et al.
Foreign Patent Documents
2176672 December 1986 GBX
Other references
  • ID Sep./Oct. 1987 p. 79 Sony Headphones, top left.
Patent History
Patent number: D331408
Type: Grant
Filed: May 7, 1990
Date of Patent: Dec 1, 1992
Assignee: U.S. Philips Corporation (New York, NY)
Inventor: Konrad Ellermeier (Gaaden)
Primary Examiner: Bernard Ansher
Assistant Examiner: Sandra Morris
Attorney: Jack E. Haken
Application Number: 7/521,463
Classifications
Current U.S. Class: Headphone Or Headset (D14/205)