US D214002 S
Description (OCR text may contain errors)
United States Patent Ofiice 214,002
Patented Apr. 29, 1969 S TETHOSCOPE HEAD Gustav F. Machlup and David Littmann, Belmont, Mass., assignors to Minnesota Mining and Manufacturing Company, Maplewood, Minn., a corporation of Delaware Filed June 26, 1968, Ser. No. 12,515
Term of patent 14 years Int. Cl. D24--03 US. Cl. D8312 FIG. 1 is a side elevational view of a stethoscope head References Cited embdying our invemmn; UNITED STATES PATENTS FIG. 2 is a top plan view of the chestplece shown in FIG D. 205,171 1/1966 Littmann D83-12 FIG. 3 is a cross-sectional view taken along the li 1 9 2/1962 Cefaly 18124 3 3 of FIG, 2; an 9,204 4/1965 Cefaly 181-44 FIG. 4 is a bottom plan view of the stethoscope h d 3,316,998 5/ 1967 Krug 18124 shown i FIG, 1 3,339,667 9/1967 Speelman.
The ornamental design for a stethoscope head, as BERNARD ANSH'ERPrimary Examiner shown.