Septic tank

The ornamental design for a septic tank, as shown and described.

FIG. 1 is a perspective view of the septic tank (with lids secured thereon) showing our new design.

FIG. 2 is an exploded side elevation view of the septic tank and two lids,

FIG. 3 is a top elevation view of the septic tank with lids secured thereon;

FIGS. 4 and 5 are exploded side elevation views thereof.

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a top elevation view of the septic tank with the lids removed.

Patent	Priority	Assignee	Title
10781121,	Jun 28 2013		Hydro-kinetic reactor tank
7624892,	Aug 02 2004	Environment One Corporation	Sewage tanks and grinder pump systems
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
9786152,	Sep 22 2015		Septic overflow warning system
D552708,	Nov 18 2005	Environment One Corporation	Sewage tank
D556293,	Aug 01 2005	Environment One Corporation	Sewage tank
D574921,	Aug 02 2004	Environment One Corporation	Sewage tank flange
D872135,	Apr 03 2018	NORTHERN TOOL & EQUIPMENT COMPANY, INC.	Tank
D872136,	Apr 03 2018	NORTHERN TOOL & EQUIPMENT COMPANY, INC.	Tank
D900959,	Apr 21 2014		Hydro-kinetic reactor tank
ER260,
ER9764,

Patent	Priority	Assignee	Title
5361930,	Mar 11 1994		Two-piece nestable septic tank with integral antifloatation collar
226192,
239506,
D357530,	Dec 17 1993	THE PLASTICS GROUP, INC	Sewage septic tank
D371423,	Dec 08 1993	EPARCO ASSAINISSEMENT	Septic tank
D445476,	Oct 27 2000	Orenco Systems Incorporated	Tank

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