- Sony Corporation


FIG. 1 is a top, rear and right-side perspective view of a headphone, showing my new design;

FIG. 2 is a perspective view of an earpiece thereof, shown on an enlarged scale;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a front elevational view thereof shown in the folded position;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a right-side elevational view thereof, the left-side being a mirror image thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

Referenced Cited

U.S. Patent Documents

D269611 July 5, 1983 Saito
D316551 April 30, 1991 Ichikawa
D318669 July 30, 1991 Nakayama
D331057 November 17, 1992 Isonaga
D331408 December 1, 1992 Ellermeier
D337118 July 6, 1993 Seikita
D337587 July 20, 1993 Nakayama

Other references

  • ID Magazine, Sep. 10, 1987 p. 79 Sony MDR-A60 headphone. Evans Catalog, .COPYRGT.1988 p. 278 Sony Lightweight Headphones #9. HFD, Jun. 26, 1989 p. 91 Sony MDR-AZIL folding headphones.

Patent History

Patent number: D351597
Type: Grant
Filed: Nov 18, 1992
Date of Patent: Oct 18, 1994
Assignee: Sony Corporation (Tokyo)
Inventor: Mitsuhiro Nakamura (Tokyo)
Primary Examiner: B. J. Bullock
Assistant Examiner: Sandra Morris
Attorneys: Lewis H. Eslinger, Jay H. Maioli
Application Number: 0/1,636


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