Switching valve

Details Switching valve Switching valve

2006-06-09

2009-11-24

Brooks, Cathron C. (Department: 2911)

Environmental heating and cooling; fluid handling and sanitary e

Fluid handling or treatment equipment

Valve or body therefor

Design Patent

active

D0604807

CLAIM:
An ornamental design for a switching valve, as shown and described.

REFERENCES:
patent: 3779268 (1973-12-01), Conkling
patent: 3857410 (1974-12-01), Bedo et al.
patent: 4442864 (1984-04-01), Kosugi
patent: D287044 (1986-12-01), Hughes
patent: 4842016 (1989-06-01), McKenzie
patent: 5088194 (1992-02-01), Lasko
patent: 5878782 (1999-03-01), Nakajima
patent: 5881770 (1999-03-01), Neill et al.
patent: 7028713 (2006-04-01), Koyama
patent: 7117895 (2006-10-01), Koyama
patent: D558859 (2008-01-01), Kato et al.

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