Floor polishing machine

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Description

FIG. 1 is a perspective view of a floor polishing machine showing our new design.

FIG. 2 is a right side elevational view thereof.

FIG. 3 is a front elevational view thereof.

FIG. 4 is a top plan view thereof.

FIG. 5 is a rear elevational view thereof.

FIG. 6 is a bottom plan view thereof.

FIG. 7 is a left side elevational view thereof.

FIG. 8 is a front perspective view of a second embodiment of a floor polishing machine showing our new design.

FIG. 9 is a right side elevational view thereof.

FIG. 10 is a front elevational view thereof.

FIG. 11 is a top plan view thereof.

FIG. 12 is a rear elevational view thereof.

FIG. 13 is a bottom plan view thereof.

FIG. 14 is a left side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D156689 January 1950 Atkin
D166572 April 1952 Pond
D231246 April 1974 Sundberg
D251007 February 6, 1979 Burgoon
D296252 June 14, 1988 Genovese
2674896 April 1954 Arones
3027581 April 1962 Holt
3155996 November 1964 Berthelot et al.
3921244 November 1975 Warren et al.
4365377 December 28, 1982 Todd et al.
4435870 March 13, 1984 Tucker et al.
4491999 January 8, 1985 Babcock
4542551 September 24, 1985 Phillips
4570278 February 18, 1986 Bloome et al.
4590635 May 27, 1986 Tucker et al.
4658459 April 21, 1987 Wood
4734954 April 5, 1988 Greskovics et al.
4742652 May 10, 1988 Cannan et al.
4756042 July 12, 1988 Genovese et al.
4845798 July 11, 1989 Genovese
Other references
  • Brochure of National Super Service Company, (1988). "Floormax" brochure of the Hoover Company. "Gloss Boss" brochure of Pullman Holt.
Patent History
Patent number: D321420
Type: Grant
Filed: Feb 9, 1990
Date of Patent: Nov 5, 1991
Assignee: Windsor Industries, Inc. (Englewood, CO)
Inventors: Peter W. Von Vett (Englewood, CO), Eugene L. Bothun (Loveland, CO)
Primary Examiner: A. Hugo Word
Assistant Examiner: Paula Allen
Attorney: W. Scott Carson
Application Number: 7/479,061
Classifications
Current U.S. Class: Surface Treatment, E.g., Floor, Street, Etc. (D32/15)