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USD178848S - Floor polishing machine - Google Patents

Floor polishing machine Download PDF

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Publication number
USD178848S
USD178848S US D178848 S USD178848 S US D178848S
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US
United States
Prior art keywords
polishing machine
floor polishing
floor
view
machine
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Patented Sept. 25, 1956 FLOOR POLISHING MACHINE Robert J. Pond, Minneapolis, Minn., assignor to Advance Machine Company, Minneapolis, Minn.
Application March 10, 1955-, Serial No. 34,980
Term of patent 14 years (Cl. D92) 9 l 5 l o I lagl3 \l\ Figui'le l is a perspective view of a floor polishing ma- References Cited in the file of this patent chine s owing my new design;
Figure 2 is a top plan view of the head portions shown UNITED STATES PATENTS in Figure l; and D- 156,689 Atkin Jan. 3, 1950 Figure 3 is a rear view thereof, D. 166,572 Pond Apr. 22, 1952 I claim: D. 169,372 Holt Apr. 21, 1953 The ornamental design for a floor polishing machine, as shown.

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