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Patent
   D552708
Priority
Nov 18 2005
Filed
Nov 18 2005
Issued
Oct 09 2007
Expiry
Oct 09 2021
Inventors
Henry, Cla…
Assg.orig
Environmen…
Assg.curr
Environmen…
Entity
unknown
Referenced by
4
References
22
Maint.:
n/a
The ornamental design for a sewage tank, as shown and described.

FIG. 1 is a perspective view of a sewage tank in accordance with the new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof, a left side elevational view being a mirror image thereof;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a top view thereof.
INVENTORS:

Henry, Clark A., Daley, Paul J., Hisgrove, Graeme, Massey, Adrian

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
8297466, Aug 02 2004 Environment One Corporation Sewage tanks and grinder pump systems
8746492, Aug 02 2004 Environment One Corporation Sewage tanks and grinder pump systems
D687070, Feb 06 2009 Coolant filling apparatus for a motor vehicle
ER9798,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3451553,
4909393, Nov 14 1988 BERWICK MANUFACTURING, INC AN OHIO CORPORATION Container reconfiguring system
4961670, Mar 27 1989 BONAR PLASTICS CORPORATION Molded septic tank
5439180, May 11 1993 Environment/One Corporation Readily installed universal sewage grinder pump
5494183, Jan 12 1990 Double wall storage tank systems having an intermittently bonded wall
5562254, Aug 02 1994 Environment One Corp.; ENVIRONMENT ONE CORP Grinder pump station
5597948, Oct 24 1994 Storage tank system with independent monitoring of ribs and tank wall
5752315, Aug 02 1994 Environment One Corporation Grinder pump station and method of manufacture thereof
5806702, Aug 08 1997 A.K. Industries, Inc. Ribbed storage tank
5816510, Aug 02 1994 Environment One Corporation Grinder pump station
6059208, Sep 11 1997 Little Giant Pump Company Buried plastic sewage sump
6280614, Mar 02 2000 Xerxes Corporation Residential septic tank
6305410, Apr 28 1999 Liberty Pumps Sewage ejector basin and assembly
6763950, Mar 31 2000 Norwalk Wastewater Equipment Company Wastewater treatment apparatus
20050178721,
154966,
D357530, Dec 17 1993 THE PLASTICS GROUP, INC Sewage septic tank
D397763, Aug 18 1997 A. K. Industries Ribbed underground storage tank
D492000, May 02 2003 Septic tank
D529573, Aug 02 2004 Environment One Corporation Sewage tank
DE19961414,
FR2790495,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 18 2005Environment One Corporation(assignment on the face of the patent)
Jan 19 2006HISGROVE, GRAEMEEnvironment One CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0171830090 pdf
Jan 19 2006MASSEY, ADRIANEnvironment One CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0171830090 pdf
Feb 15 2006DALEY, PAUL J Environment One CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0171830090 pdf
Feb 15 2006HENRY, CLARK A Environment One CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0171830090 pdf
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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