Stereophone ear plug insert

- Koss Corporation
Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a front perspective view of a stereophone ear plug insert showing our new design;

FIG. 2 is a side elevational view thereof, with the opposite side being a mirror image;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom view thereof; and,

FIG. 5 is a front view thereof.

The broken lines shown in all figures are for illustrative environmental purposes only and form no part of the claimed design.

Claims

The ornamental design for a stereophone ear plug insert, as shown and described.

Referenced Cited
U.S. Patent Documents
RE29487 December 6, 1977 Garner, Jr.
D299344 January 10, 1989 Stevens
D377796 February 4, 1997 Hayashi
454138 June 1891 Mercadier
1321266 November 1919 Wilkinson
2715296 August 1955 Pettit
3324253 June 1967 Uemura et al.
3671685 June 1972 McCabe
3811437 May 1974 Gardner, Jr.
4133984 January 9, 1979 Akiyama
4403120 September 6, 1983 Yoshimi
4429194 January 31, 1984 Kamon et al.
4668842 May 26, 1987 Yokoyama et al.
4736435 April 5, 1988 Yokoyama et al.
4770270 September 13, 1988 Grimm
5222151 June 22, 1993 Nagayoshi et al.
5498841 March 12, 1996 Allen
5659156 August 19, 1997 Mauney et al.
Foreign Patent Documents
32 10034 A1 March 1982 DE
58-97398 June 1983 JP
52-110428 February 1986 JP
171945 February 1990 MX
Patent History
Patent number: D449592
Type: Grant
Filed: Nov 17, 1999
Date of Patent: Oct 23, 2001
Assignee: Koss Corporation (Milwaukee, WI)
Inventors: Michael J. Koss (River Hills, WI), Allan G. Mlodzikowski (Muskego, WI), Jennifer R. Schneider (Commerce, MI)
Primary Examiner: Nanda Bondade
Attorney, Agent or Law Firm: Whyte Hirschboeck Dudek SC
Application Number: 29/114,079
Classifications
Current U.S. Class: Headphone (D14/223)
International Classification: 1401;