Underwater pool cleaning apparatus

Description

FIG. 1 is a perspective view of an underwater pool cleaning apparatus showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view, the right side being identical in appearance thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken line showing of a suction base is for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
3422478 January 1969 Osborne
3430277 March 1969 Ortega
4434050 February 28, 1984 Selsted
Patent History
Patent number: D304505
Type: Grant
Filed: Oct 2, 1986
Date of Patent: Nov 7, 1989
Assignee: Aquanaut, Inc. (Corte Madera, CA)
Inventors: Robert W. Maier (Kentfield, CA), Charles J. Patterson (Orinda, CA), Deiter Rief (Rohnert Park, CA), John Gard (Mountain View, CA), Herman E. Frentzel (Kentfield, CA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Lavone D. Tabor
Law Firm: Limbach, Limbach & Sutton
Application Number: 6/914,749