Patent
   D304505
Priority
Oct 02 1986
Filed
Oct 02 1986
Issued
Nov 07 1989
Expiry
Nov 07 2003
Assg.orig
Entity
unknown
47
3
n/a
The ornamental design for an underwater pool cleaning apparatus, as shown and described.

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.

Frentzel, Herman E., Maier, Robert W., Patterson, Charles J., Rief, Deiter, Gard, John

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Patent Priority Assignee Title
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3430277,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 10 1986MAIER, ROBERT W AQUANAUT, INC ASSIGNMENT OF ASSIGNORS INTEREST 0046180926 pdf
Sep 10 1986PATTERSON, CHARLES J AQUANAUT, INC ASSIGNMENT OF ASSIGNORS INTEREST 0046180926 pdf
Sep 10 1986RIEF, DEITERAQUANAUT, INC ASSIGNMENT OF ASSIGNORS INTEREST 0046180926 pdf
Sep 10 1986FRENTZEL, HERMAN E AQUANAUT, INC ASSIGNMENT OF ASSIGNORS INTEREST 0046180926 pdf
Sep 10 1986GARD, JOHNAQUANAUT, INC ASSIGNMENT OF ASSIGNORS INTEREST 0046180927 pdf
Oct 02 1986Aquanaut, Inc.(assignment on the face of the patent)
Jul 22 1994AQUANAUT, INC H-TECH, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0070910373 pdf
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