Air-operated cleaner

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Description

FIG. 1 is a perspective view of an air-operated cleaner showing my new design;

FIG. 2 is a side elevational view the opposite side being a mirror image thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof, and

FIG. 5 is a bottom plan view thereof.

The hose has been shown fragmentary in FIGS. 1, 2 and 4 for convenience _of illustration.

Referenced Cited
U.S. Patent Documents
D206859 February 1967 Polizzi
1078512 November 1913 Mills
2051717 August 1936 Jonsson et al.
2856205 October 1958 Coleman et al.
3328827 July 1967 Lake et al.
Foreign Patent Documents
508152 June 1939 GBX
Patent History
Patent number: D255864
Type: Grant
Filed: Aug 28, 1978
Date of Patent: Jul 15, 1980
Inventor: Burton K. Bennett (Greensboro, NC)
Primary Examiner: Catherine E. Kemper
Attorney: Walter Beavers
Application Number: 5/937,157
Classifications
Current U.S. Class: D/7164; D15/55
International Classification: D0705; D1505;