Stereophone ear plug

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

FIG. 1 is a front perspective view of a stereophone ear plug 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;

FIG. 5 is a front view thereof; and,

FIG. 6 is a rear view thereof.

The broken line showing on FIGS. 2 and 4-6 is for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
RE29487 December 6, 1977 Gardner, Jr.
D236988 September 1975 Walters et al.
D292530 October 27, 1987 Andersson
D331966 December 22, 1992 Gardner, Jr.
D361066 August 8, 1995 Langhorn et al.
D375551 November 12, 1996 Esler et al.
D377796 February 4, 1997 Hayashi
454138 June 1891 Mercadier
2824558 February 1958 Michael et al.
3123069 March 1964 Laisne et al.
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.
4965838 October 23, 1990 Kamon et al.
5188123 February 23, 1993 Gardner, Jr.
5222151 June 22, 1993 Nagayoshi et al.
5659156 August 19, 1997 Mauney et al.
5799658 September 1, 1998 Falco
5957136 September 28, 1999 Magidson et al.
Foreign Patent Documents
32 10034 A1 March 1982 DEX
58-97398 June 1983 JPX
52-110428 February 1986 JPX
171945 February 1990 MXX
Patent History
Patent number: D435036
Type: Grant
Filed: Nov 17, 1999
Date of Patent: Dec 12, 2000
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
Law Firm: Whyte Hirschboeck Dudek SC
Application Number: 0/114,075
Classifications
Current U.S. Class: Headphone (D14/223); Stethoscope (24) (D24/134)
International Classification: 1401;