Aerobic treatment tank design

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Information

Patent Grant
D423638

References
Source

Patent Number
D423,638
Date Filed
Monday, March 22, 1999
26 years ago
Date Issued
Tuesday, April 25, 2000
24 years ago

Inventors
- T. Gig Drewery
Original Assignees
- Aqua Partners LLC
Examiners
- Taylor; Robin V.
Agents
- Harrison & Egbert

US Classifications
- D23 - Environmental heating and cooling
Field of Search
- US
- D23 200
- D23 202-3
- D23 207
- D23 209
- 220 412
- 220 413
- 220 565
International Classifications
- 2301
- Term of Grant
  14Years

Information

Abstract

Description

Claims

I claim the ornamental design for a aerobic treatment tank design, as shown and described.

US Referenced Citations (4)

Number	Name	Date	Kind
D293705	Sayward	Jan 1988
4648521	Thomas et al.	Mar 1987
5287986	Frost	Feb 1994
5333752	Harding	Aug 1994