Bypass valve for a liquid treatment tank

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Information

Patent Grant
D337633

References
Source

Patent Number
D337,633
Date Filed
Monday, October 7, 1991
33 years ago
Date Issued
Tuesday, July 20, 1993
31 years ago

Inventors
- Edward Joseph Tischler
- Michael E. Drager
Original Assignees
- Ecowater Systems, Inc.
Examiners
- Largen; James R.
Agents
- Gealow; Jon Carl
- Wetzel; James M.

US Classifications
- D23 - Environmental heating and cooling
Field of Search
- US
- D23 233-237
- D23 244-249
- 137 62529
- 137 62546
- 251 900
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a bypass valve for a liquid treatment tank, as shown and described.

US Referenced Citations (13)

Number	Name	Date	Kind
D219340	Snelling	Dec 1970
D313463	Veillet	Jan 1991
2997065	Johnson	Aug 1961
3090396	Rudelick	May 1963
3643692	Traylor	Feb 1972
4212342	Bauer	Jul 1980
4237933	Bauer	Dec 1980
4245670	Bauer	Jan 1981
4250920	Traylor	Feb 1981
4255939	Ou	Mar 1981
4324273	Bauer et al.	Apr 1982
4361170	Peloza	Nov 1982
4469131	Traylor	Sep 1984