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Patent
   D246375
Priority
Jan 30 1976
Filed
Jan 30 1976
Issued
Nov 15 1977
Expiry
Nov 15 1991
Inventors
Hellqvist,…
Assg.orig
Assg.curr
Entity
unknown
Referenced by
2
References
6
Maint.:
n/a
The ornamental design for a sewage tank.

FIG. 1 is a side elevational view of a sewage tank showing my new design;

FIG. 2 is a bottom perspective view thereof; and

FIG. 3 is a top perspective view thereof.
INVENTORS:

Hellqvist, Ake Oskar Vilhelm

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
7475791, Nov 08 2004 Toroidal tank
D328329, Nov 20 1989 Food strainer for waste water
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3221881,
3662918,
3875066,
3898162,
233233,
234298,
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