Switch valve for a water purifier

Details Switch valve for a water purifier Switch valve for a water purifier

2003-10-13

2004-10-19

Holtje, Nelson C. (Department: 2913)

Environmental heating and cooling; fluid handling and sanitary e

Fluid handling or treatment equipment

Valve or body therefor

Design Patent

active

D0497412

CLAIM:
The ornamental design for a switch valve for a water purifier, as shown and described.

REFERENCES:
patent: 2825363 (1958-03-01), Bird
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patent: 3828932 (1974-08-01), Schneer
patent: 4105555 (1978-08-01), Pease
patent: D287995 (1987-01-01), Ferguson
patent: 4652369 (1987-03-01), DePolo et al.
patent: 4674538 (1987-06-01), Yes
patent: 5055641 (1991-10-01), Richards
patent: D360677 (1995-07-01), Ledbetter et al.
patent: D393052 (1998-03-01), Lobermeier
patent: 5881770 (1999-03-01), Neill et al.
patent: 1158522 (2002-11-01), None
patent: 1158704 (2002-11-01), None

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