Multi-cone earplug

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Information

Patent Grant
D372776

References
Source

Patent Number
D372,776
Date Filed
Thursday, October 15, 1992
32 years ago
Date Issued
Tuesday, August 13, 1996
28 years ago

Inventors
- Howard S. Leight
Examiners
- Zarfas; Louis S.
- Simmons; I.
Agents
- Freilich Hornbaker Rosen

US Classifications
- D24 - Medical and laboratory equipment
Field of Search
- US
- D24 106
- 128 864
- 128 865
- 181 129
- 181 130
- 181 135
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental designs for a multi-cone earplug, as shown and described.

US Referenced Citations (6)

Number	Name	Date	Kind
D195322	Hill	May 1963
D253723	Leight	Dec 1979
D273614	Rolla	Apr 1984
D298356	Falco	Nov 1989
4219018	Draper, Jr.	Aug 1980
4936411	Leonard	Jun 1990

Non-Patent Literature Citations (1)

Entry
The Lab Safety Supply Catalog "Hearing Protection" p. 159 .COPYRGT.1990.