Ear plug

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Description

FIG. 1 is a perspective view of an ear plug showing my new design;

FIG. 2 is a side elevational view thereof, with all other side elevational views being identical thereto; and,

FIG. 3 is an end elevational view thereof, the opposite end elevational view being identical thereto.

Referenced Cited
U.S. Patent Documents
RE29487 December 6, 1977 Gardner, Jr.
1344935 June 1920 Baum
2246736 August 1938 Knudsen
2437490 June 1942 Watson et al.
2785675 March 1957 Berkman
2785676 March 1957 Berkman
2824558 February 1958 Michael et al.
2850012 September 1958 Becker
2876767 March 1959 Wasserman
2888921 June 1959 Nielson et al.
3736929 June 1973 Mills
4060080 November 29, 1977 Akiyama
4434794 March 6, 1984 Leight
4540063 September 10, 1985 Ochi et al.
4582053 April 15, 1986 Wilson
5080110 January 14, 1992 Weldon et al.
5195539 March 23, 1993 Dyrud et al.
5249309 October 5, 1993 Berg et al.
Foreign Patent Documents
0504124 September 1992 EPX
1258398 March 1961 FRX
0225607 September 1910 DEX
1731214A1 November 1988 SUX
Other references
  • Shell Chemical Company Technical Bulletin SC:1032-88, Kraton Thermoplastic Rubber Medical Products (May 1988). Provisional Technical Bulletin for Kraton G-2706, GLS Plastics (Aug. 1989). Santoprene, Monsanto Elastomers Brochure TPE-74-01 date unknown but is acknolwedged as prior art.
Patent History
Patent number: D364455
Type: Grant
Filed: Jul 21, 1994
Date of Patent: Nov 21, 1995
Assignee: Ward Barry Krause (Spotsylvania, VA)
Inventor: W. Barry Krause (Spotsylvania, VA)
Primary Examiner: Lou Zarfas
Assistant Examiner: I. Simmons
Law Firm: Banner & Allegretti, Ltd.
Application Number: 0/26,202
Classifications
Current U.S. Class: Ear Plug Or Nose Clip (D24/106)