Ergonometric stethoscope chestpiece

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Description

FIG. 1 is a perspective view of an ergonometric stethoscope chestpiece;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a right side elevational view thereof.

Referenced Cited
U.S. Patent Documents
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D205171 June 1966 Littmann
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D337381 July 13, 1993 Dufresne et al.
D338269 August 10, 1993 Dufresne et al.
D353196 December 6, 1994 Savage et al.
3108652 October 1963 Littmann
3275099 September 1966 Speelman
3288246 November 1966 Allen
3339667 September 1967 Speelman
3472335 October 1969 Allen
4254302 March 3, 1981 Walshe
4440258 April 3, 1984 Packard
4475619 October 9, 1984 Packard
4569413 February 11, 1986 Allen
4852684 August 1, 1989 Packard
4913259 April 3, 1990 Packard
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5204500 April 20, 1993 Dufresne et al.
5288953 February 22, 1994 Peart
5367575 November 22, 1994 Dieken et al.
Other references
  • Brochure entitled, "Littmann Classic II and Pediatric and Infant Stethoscope", dated Jan. 5, 1994, (1 page). Brochure entitled, "The Allen Series", by Newport Instruments, Inc. (1983), (5 pages). Brochure entitled, "Have you heard the latest about Auscultation?", by Welch Allyn Company, (10 pages) .COPYRGT.1987. Brochure entitled, "Jetzt mit 10 Seiten Wohnmobel", by Wapema, (8 pages) 1988/1989. Brochure entitled, "Adgram", vol. 8, Issued 5, by American Diagnostic Corporation, Sep.-Oct. 1994, (1 page). Note the Master Adscope.TM. 600. Catalog by nm Medical, (3 pages) Apr. 1994. Brochure entitled, "Anesthesia Specialties", by Buffalo Medical Specialties MFG. Inc. (1983), (17 pages). Brochure entitled, "Series 22 Stethoscope", Series 12 Stethoscope, and Price List dated Mar. 1, 1980, by Newport Instruments, Inc. (4 pages). Brochure entitled, "Littmann Classic II Stethoscope, The standard of the industry", 3M Health Care, (1 page). Prior Art. Brochure entitled, "Littmann Master Classic Stethoscope, The most efficient general exam stethoscope", 3M Health Care, (1 page). Prior Art. Brochure entitled, "3M Littmann Master Cardiology Stehoscope", 3M Health Care, (1 page). Prior Art. Beochure entitled, "Heine Gamma 20", by Heine USA Ltd., (1 page). Brochure entitled, "3M Littmann Cardiology II Stethoscope", (1 page). Prior Art. Brocure entitled, "Die MET-Stethoskop-Baureihe", by F.L. Fischer, (2 pages). Prior Art. Brochure entitled, "Heine Gamma", by Heine USA LTD, (3 pages). Prior Art. Brochure entitled, "Sensitive Dual Membrane Stethoscope", by Erka, (2 pages). Prior Art. Brochure entitled, "Sphygmomanometers, Stethoscopes & Accessories", by Welch Allyn Company, (5 pages). Prior Art. Catalog by American Diagnostic Corporation entitled, "Medical Instruments Worldwide Catalogue", (8 pages). Prior Art. Brochure entitled, "Range of Stethoscopes", by Kamed.RTM. Medical Apparatus and Instruments, (13 pages). Prior Art.
Patent History
Patent number: D379512
Type: Grant
Filed: Jan 11, 1996
Date of Patent: May 27, 1997
Assignee: Minnesota Mining and Manufacturing Company (St. Paul, MN)
Inventors: Alan P. Dieken (Oakdale, MN), Edward J. Moe (St. Paul, MN), Joy A. Packard (Somerset, WI), Thomas J. Packard (Somerset, WI), Thomas A. Turgeon (Fridley, MN), Thomas W. Reeder (Asheville, NC)
Primary Examiner: Doris V. Coles
Assistant Examiner: Ian Simmons
Attorneys: Gary L. Griswold, Walter N. Kirn, Kari H. Bartingale
Application Number: 0/48,848
Classifications
Current U.S. Class: Stethoscope (24) (D24/134)
International Classification: 2402;