Floor maintenance machine

- Tennant Company
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Description

FIG. 1 is a front perspective view of a floor maintenance machine showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof; and

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D189718 February 1961 Patch
D204054 March 1966 Rush
D228087 August 1973 Kasper et al.
D246106 October 18, 1977 Russell
D257845 January 13, 1981 Peabody
3189931 June 1965 Peabody
3604051 September 1971 Wendel
3833961 September 1974 Fortman et al.
3879789 April 1975 Kasper
4041567 August 16, 1977 Burgoon
4173052 November 6, 1979 Burgoon et al.
Patent History
Patent number: D267824
Type: Grant
Filed: Dec 18, 1980
Date of Patent: Feb 1, 1983
Assignee: Tennant Company (Minneapolis, MN)
Inventor: James P. Mannelly (Edina, MN)
Primary Examiner: James R. Largen
Law Firm: Merchant, Gould, Smith, Edell, Welter & Schmidt
Application Number: 6/217,775
Classifications
Current U.S. Class: Occupant Support, Self-propelled, Or Hand Truck Type (D32/16)
International Classification: D1505;