- Sony Corporation


FIG. 1 is a front and right-side perspective view of a headphone showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational 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

D270634 September 20, 1983 Ungar
D286772 November 18, 1986 Pope
4597469 July 1, 1986 Nagashima

Other references

  • Fordham 1982 Catalog, p. 187, top right-Headphone Model SH-89A. Stereo Review, Jul. 1984, p. 8, center bottom. W. Bell & Co. 1985 Catalog, p. 323, Item 6-Sony MDR-20T.

Patent History

Patent number: D300133
Type: Grant
Filed: Jul 23, 1985
Date of Patent: Mar 7, 1989
Assignee: Sony Corporation (Tokyo)
Inventors: Takefumi Daidoh (Tokyo), Kaoru Sumita (Tokyo)
Primary Examiner: Bernard Ansher
Assistant Examiner: Theodore M. Shooman
Attorneys: Lewis H. Eslinger, Jay H. Maioli
Application Number: 6/757,877


Current U.S. Class: Headphone Or Headset (D14/205)