Chestpiece of a stethoscope

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Description

FIG. 1 is top view, at a reduced scale, showing our new design for a chestpiece of a stethoscope;

FIG. 2 is a front plan view thereof;

FIG. 3 is an right side view thereof, the opposite side being a mirror image thereto;

FIG. 4 is a rear view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken line showing of a stethoscope is for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D214002 April 1969 Machlup et al.
D277890 March 5, 1985 Loughridge et al.
D346973 May 17, 1994 Moore et al.
3182129 May 1965 Clark et al.
3224526 December 1965 Weber
4254302 March 3, 1981 Walshe
4534058 August 6, 1985 Hower
4903794 February 27, 1990 Klippert et al.
5514840 May 7, 1996 Selinger
Foreign Patent Documents
0 454 931 November 1991 EPX
Patent History
Patent number: D389575
Type: Grant
Filed: Oct 22, 1996
Date of Patent: Jan 20, 1998
Inventors: James A. Grasfield (Sharon, MA), David E. Winston (Winchester, MA), Peter R. H. Stark (Stoneham, MA), Daniela Steinhubel (Stoneham, MA)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: Frank Martinez
Attorney: Wolf, Greenfield & Sacks, P.C.
Application Number: 0/61,328
Classifications
Current U.S. Class: Stethoscope (24) (D24/134)
International Classification: 2402;