Underwater pool cleaning apparatus
Maier , et al. November 7, 1
U.S. patent number D304,505 [Application Number 06/914,749] was granted by the patent office on 1989-11-07 for underwater pool cleaning apparatus. This patent grant is currently assigned to Aquanaut, Inc.. Invention is credited to Herman E. Frentzel, John Gard, Robert W. Maier, Charles J. Patterson, Deiter Rief.
| United States Patent | D304,505 |
| Maier , et al. | November 7, 1989 |
| **Please see images for: ( Certificate of Correction ) ** |
Underwater pool cleaning apparatus
Claims
The ornamental design for an underwater pool cleaning apparatus, as shown and described.
| Inventors: | Maier; Robert W. (Kentfield, CA), Patterson; Charles J. (Orinda, CA), Rief; Deiter (Rohnert Park, CA), Gard; John (Mountain View, CA), Frentzel; Herman E. (Kentfield, CA) |
|---|---|
| Assignee: | Aquanaut, Inc. (Corte Madera,
CA) |
| Appl. No.: | 06/914,749 |
| Filed: | October 2, 1986 |
| Current U.S. Class: | D32/21; D32/23 |
| Field of Search: | ;D32/1,17,23,35 ;210/169,242.1,416.2,407 ;134/167R ;15/1.7 |
References Cited [Referenced By]
U.S. Patent Documents
| 3422478 | January 1969 | Osborne |
| 3430277 | March 1969 | Ortega |
| 4434050 | February 1984 | Selsted |
Assistant Examiner: Tabor; Lavone D.
Attorney, Agent or Firm: Limbach, Limbach & Sutton
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.
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