Patent
   D510757
Priority
Mar 02 2004
Filed
Mar 02 2004
Issued
Oct 18 2005
Expiry
Oct 18 2019
Assg.orig
Entity
unknown
5
6
n/a
The ornamental design for a trio sewage treatment plant, as shown and described.

FIG. 1 is a perspective view of the trio sewage treatment plant showing my new design from an angle above the article;

FIG. 2 is a perspective view of the trio sewage treatment plant from an angle slightly below the article;

FIG. 3 is a top view;

FIG. 4 is a bottom view;

FIG. 5 is a side view;

FIG. 6 is the other side view;

FIG. 7 is an end view; and,

FIG. 8 is the other end view.

Johnson, George E., Donald, Hubbard H.

Patent Priority Assignee Title
D539383, Aug 31 2005 ECOLOGICAL TANKS, INC Trio sewage treatment plant
D591388, Feb 01 2005 UPONOR INFRA OY Tank for fluids
D795994, Jun 30 2016 BEAD FILTERS INTERNATIONAL, L L C Floating media biofilter
D860387, Mar 09 2017 Kurita Water Industries LTD Vessel for a solid water treatment agent
D908186, Mar 09 2017 Kurita Water Industries Ltd. Vessel for a solid water treatment agent
Patent Priority Assignee Title
2470432,
3485408,
5575908, Jun 20 1995 Sewer system water purifier
6200472, Mar 30 1998 ECOLOGICAL TANKS, INC Three stage sewage treatment system
D347257, Jun 20 1991 Septic tank for holding sewerage
D431858, Mar 02 1998 Wastewater treatment tank
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 26 2013JOHNSON, GEORGE E ECOLOGICAL TANKS, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0309000026 pdf
Jun 26 2013DONALD, HUBBARD H ECOLOGICAL TANKS, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0309000026 pdf
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