Foam generator for a cleaning machine

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Description

FIG. 1 is a top plan view of a foam generator for a cleaning machine showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is an elevational view taken from one side thereof;

FIG. 4 is an elevational view taken from the side opposite that shown in FIG. 3;

FIG. 5 is an elevational view taken from one end thereof; and

FIG. 6 is an elevational view taken from the end opposite that shown in FIG. 5.

Referenced Cited
U.S. Patent Documents
D188692 August 1960 Brogdon
D195247 May 1963 Flaks
D208240 August 1967 Titus
D213317 February 1969 Nelson
D233754 November 1974 Goyen
D236724 September 1975 Scheffer, Jr. et al.
D241756 October 1976 Gray
3220801 November 1965 Rill, Jr. et al.
Patent History
Patent number: D257254
Type: Grant
Filed: May 19, 1978
Date of Patent: Oct 7, 1980
Inventor: Thomas G. Lafferty (North Little Rock, AR)
Primary Examiner: James R. Largen
Attorney: Burton L. Lilling
Application Number: 5/907,784
Classifications
Current U.S. Class: D15/56; D23/40
International Classification: D1504; D2301;