Head for a contour forming underwater vacuum sweep

- Maxi-Sweep, Inc.

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Description

FIG. 1 is a perspective view of a head for a contour forming underwater vacuum sweep showing my new design;

FIG. 2 is a fragmentary right side elevational view shown on an enlarged scale, the left side being a mirror image thereof;

FIG. 3 is a rear elevational view of the device as it appears in FIG. 1; and

FIG. 4 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
3243830 April 1966 Conrad
3273188 September 1966 Levack
3360816 January 1968 Fontecchio
3805309 April 1974 Levack
Patent History
Patent number: D258211
Type: Grant
Filed: Apr 27, 1978
Date of Patent: Feb 10, 1981
Assignee: Maxi-Sweep, Inc. (Phoenix, AZ)
Inventor: Marty St. Martin (Phoenix, AZ)
Primary Examiner: Catherine E. Kemper
Attorney: C. Robert von Hellens
Application Number: 5/901,280
Classifications
Current U.S. Class: D15/63
International Classification: D1505;