PTO
Wrapper
PDF
Dossier
Espace
Google
Patent
D403738
Priority
Oct 19 1995
Filed
Apr 19 1996
Issued
Jan 05 1999
Expiry
Jan 05 2013
Assg.orig
Entity
unknown
0
15
n/a
The ornamental design for a plastic contact bacteria starter for septic tanks, as shown and described.
FIG. 1 is a side elevational view of a plastic contact bacteria starter for
septic tanks device showing my new design, with all sides being identical
to that shown;
FIG. 2 is a front elevational view thereof, taken from the left of FIG. 1;
and,
FIG. 3 is a rear elevational view thereof.
Hall, Thomas F.
Patent
Priority
Assignee
Title
Patent
Priority
Assignee
Title
4169050 , Nov 03 1977
Solar Aquasystems, Inc. Buoyant contact surfaces in waste treatment pond
4415450 , Dec 28 1981
The United States of America as represented by the Administrator of the Method for treating wastewater using microorganisms and vascular aquatic plants
4749493 , Oct 07 1986
Method and apparatus for oxygenating water
4863606 , Dec 11 1987
Waste water treating process
5126042 , Oct 31 1991
Floating media biofilter
5202027 , Jan 13 1989
STUTH, WILLIAM L SR Secondary sewage treatment system
5217616 , Dec 06 1991
ALLIED-SIGNAL INC A CORP OF DELAWARE Process and apparatus for removal of organic pollutants from waste water
5232586 , Sep 25 1992
Floating media hourglass biofilter
5298164 , Jul 28 1992
United States Filter Corporation Emission reduction of organic volatiles from aerobic biological reactors
5352357 , Feb 18 1993
Waste water treatment system
5645732 , Oct 23 1990
Septic system filter assembly, filter arrangement and method of using
5647986 , Dec 02 1994
NJUN, L L C Apparatus and process for distributed treatment of wastewater
CA1061241 ,
CA2074470 ,
CA582307 ,
Executed on Assignor Assignee Conveyance Frame Reel Doc
Date
Maintenance Fee Events
n/a
Date
Maintenance Schedule
n/a