Ergonometric stethoscope chestpiece

Description

FIG. 1 is a top plan view of an ergonometric stethoscope chestpiece, showing our new design;

FIG. 2 is an enlarged top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a side elevational view thereof; the opposite side elevational view being identical thereto;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a rear elevational view thereof.

The broken line showing in FIGS. 1-3 is for illustrative purposes only and forms no part of the claimed design.

Claims

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

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Inventors:	Dufresne; Joel R. (St. Paul, MN), Dieken; Alan P. (St. Paul, MN), Drake; Gerald E. (Oakdale, MN), Hostager, deceased; Curt (late of St. Paul, MN), Hostager, legal representative; by Ray S. (Stillwater, MN)
Assignee:	Minnesota Mining and Manufacturing Company (St. Paul, MN)
Appl. No.:	07/658,353
Filed:	February 20, 1991

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Current U.S. Class:	D24/134
Field of Search:	;D24/134 ;128/713,715 ;181/137,131 ;381/67,95,96,121

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References Cited [Referenced By]

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U.S. Patent Documents

D213257	January 1969	Littmann
D214002	April 1969	Machlup et al.
D224988	October 1972	Hudspith
D256951	September 1980	Allen
D277890	March 1985	Loughridge et al.
D323394	January 1992	Casto et al.
3790712	February 1974	Andries
4071694	January 1978	Pfeiffer
4170717	October 1979	Walshe
4254302	March 1981	Walshe
4440258	May 1982	Packard
4723555	February 1988	Shue
4805633	February 1989	Kotani et al.
4878501	November 1989	Shue

Primary Examiner: Reid; Stella
Assistant Examiner: Simmons; I.
Attorney, Agent or Firm: Griswold; Gary L. Kirn; Walter N. Bauer; William D.