Ergonometric stethoscope chestpiece

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Information

Patent Grant
D337381

References
Source

Patent Number
D337,381
Date Filed
Wednesday, February 20, 1991
33 years ago
Date Issued
Tuesday, July 13, 1993
31 years ago

Inventors
Original Assignees
- 3M COMPANY
Examiners
- Reid; Stella
- Simmons; I.
Agents
- Griswold; Gary L.
- Kirn; Walter N.
- Bauer; William D.

US Classifications
- D24 - Medical and laboratory equipment
Field of Search
- US
- D24 134
- 128 713
- 128 715
- 181 137
- 181 131
- 381 67
- 381 95
- 381 96
- 381 121
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for an ergonometric stethoscope chestpiece, as shown and described.

US Referenced Citations (14)

Number	Name	Date	Kind
D213257	Littmann	Jan 1969
D214002	Machlup et al.	Apr 1969
D224988	Hudspith	Oct 1972
D256951	Allen	Sep 1980
D277890	Loughridge et al.	Mar 1985
D323394	Casto et al.	Jan 1992
3790712	Andries	Feb 1974
4071694	Pfeiffer	Jan 1978
4170717	Walshe	Oct 1979
4254302	Walshe	Mar 1981
4440258	Packard	May 1982
4723555	Shue	Feb 1988
4805633	Kotani et al.	Feb 1989
4878501	Shue	Nov 1989