Hot water extraction-type carpet cleaning apparatus and wheeled dolly therefor

- Windsor Industries, Inc.
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Description

FIG. 1 is a perspective view of a hot water extraction-type carpet cleaning apparatus and wheeled dolly therefor showing my new design;

FIG. 2 is a left side elevation thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevation thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a perspective view of the cleaning unit shown with the dolly removed for completeness of disclosure and convenience of illustration;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective view of the dolly portion shown with the cleaning unit removed for completeness of disclosure and convenience of illustration;

FIG. 9 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
2778563 January 1957 Doyle
2962118 November 1960 Lee et al.
3320727 May 1967 Farley et al.
3653190 April 1972 Lee et al.
D237035 October 1975 Berendes et al.
Patent History
Patent number: D243574
Type: Grant
Filed: Jul 16, 1975
Date of Patent: Mar 8, 1977
Assignee: Windsor Industries, Inc. (Denver, CO)
Inventor: Robert N. Bartlett (Denver, CO)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Catherine Kemper
Attorney: Edwin L. Spangler, Jr.
Application Number: 5/596,296
Classifications
Current U.S. Class: D15/54
International Classification: D0705;