Earphone

- Sony Corporation
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Description

FIG. 1 is a top plan view of an earphone, showing my new design;

FIG. 2 is a left-side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right-side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a right-side perspective view thereof; and,

FIG. 8 is a left-side perspective view thereof.

Referenced Cited
U.S. Patent Documents
D311007 October 2, 1990 Daido
D314574 February 12, 1991 Kato
D316550 April 30, 1991 Sogabe
D318473 July 23, 1991 Miyashita et al.
D318670 July 30, 1991 Taniguchi
D326655 June 2, 1992 Iribe
4668842 May 26, 1987 Yokoyama et al.
4742887 May 10, 1988 Yamagishi
4965838 October 23, 1990 Kamon et al.
Other references
  • Radio Shack 1988 Catalog p. 44 Realistic Foam Earpads. Evans 1988 Catalog p. 278 Ear bud headphone, item 10. W. Bell & Co., 1990-91 Catalog .COPYRGT.1990 p. 200, Sony MDR-E434 Headphones, item 5.
Patent History
Patent number: D337589
Type: Grant
Filed: Nov 25, 1991
Date of Patent: Jul 20, 1993
Assignee: Sony Corporation (Tokyo)
Inventor: Joh Wada (Tokyo)
Primary Examiner: Bernard Ansher
Assistant Examiner: Sandra Morris
Attorneys: Lewis H. Eslinger, Jay H. Maioli
Application Number: 7/797,278
Classifications
Current U.S. Class: Headphone (D14/223)