Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Valve or body therefor
Design Patent
2002-02-11
2003-04-22
Holtje, Nelson C. (Department: 2913)
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Valve or body therefor
CD23S233000
Design Patent
active
D0473631
CLAIM:
I claim the ornamental design for a switch valve, as shown and described.
REFERENCES:
patent: D77028 (1928-11-01), Price et al.
patent: 4479513 (1984-10-01), Koch et al.
patent: D400970 (1998-11-01), Voo
patent: 5992823 (1999-11-01), Hung-Lin
patent: D429519 (2000-08-01), Ferrer Beltran
www.andersonmetals—Dec. 23, 2002—straight stops (valve) at bottom of photo.*
www.plumbingmart—Dec. 23, 2002-straight fauset supply stops—cover and blow-up drawing.
Harrison & Egbert
Holtje Nelson C.
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