Ergonometric stethoscope chestpiece

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Information

Patent Grant
D338269

References
Source

Patent Number
D338,269
Date Filed
Friday, November 6, 1992
31 years ago
Date Issued
Tuesday, August 10, 1993
30 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 (6)

Number	Name	Date	Kind
D213257	Littmann	Jan 1969
D214002	Machlap et al.	Apr 1969
D224988	Allen	Oct 1972
D277890	Loughridge et al.	Mar 1985
D323394	Casto et al.	Jan 1992
4805633	Kotani et al.	Feb 1989

Divisions (1)

	Number	Date	Country
Parent	658353	Feb 1991