Surface treating machine drive block
US D213016 S
Description (OCR text may contain errors)
I United States Patent 0 Des. 2 13,01 6 Patented Dec. 24, 1968 "Ice SURFACE TREATING MACHINE DRIVE BLOCK Robert H. Kleemeier, Arden Hills, and Ronald 0. Zemke, Saint Paul, Minn., assignors to Minnesota Mining and Manufacturing Company, St. Paul, Minn., a corporation of Delaware Filed Mar. 18, 1968, Ser. No. 11,031
Term of patent 14 years (Cl. D373) FIGURE 1 is a perspective view of the surface treating machine dn've block of our invention, used for driving lofty fibrous polishing,-scrubbing, or bufiing pads;
FIGURE 2 is a top plan view thereof;
FIGURE 3 is a front elevational view thereof, the rear being a mirror image of the front;
FIGURE 4 is a side elevational view thereof; the other side being a mirror image;
FIGURE 5 is a bottom plan view thereof.
The ornamental design for a surface treating machine drive block, substantially as shown and described.
References Cited UNITED STATES PATENTS 1,660,384 2/ 1928 Kicherer. 1,961,384 6/ 1934 Oelmann. 3,044,091 7/ 1962 Nishihama 1549 A. HUGO WOR-D, Primary Examiner.