Carpet cleaning machine

- Schmitz Industries, Inc.

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Description

FIG. 1 is a perspective of a carpet cleaning machine showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof, the left side being a mirror image;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D253472 November 20, 1979 Cannon et al.
D255357 June 10, 1980 Brooks et al.
D292336 October 13, 1987 Kieft et al.
D318543 July 23, 1991 Shero
Other references
  • Hardware Age, vol. 218, Dec. 1981, p. 309 "Shop vac silver wet/dry vac. cleaner". Industrial Design, vol. 29, Jul./Aug. 1982, p. 33 "Arato's Centaur Vacuum".
Patent History
Patent number: D338292
Type: Grant
Filed: Sep 3, 1991
Date of Patent: Aug 10, 1993
Assignee: Schmitz Industries, Inc. (Dallas, TX)
Inventors: Mark Schmitz (Dallas, TX), Otis Price (Dallas, TX)
Primary Examiner: Ruth McInroy
Law Firm: Johnson & Gibbs
Application Number: 7/753,680
Classifications
Current U.S. Class: Vacuum (D32/21)