Upper housing for a water treatment system control valve

Details Upper housing for a water treatment system control valve Upper housing for a water treatment system control valve

2002-10-30

2004-11-30

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

D0499170

CLAIM:
I claim the ornamental design for an upper housing for a water treatment system control valve, as shown and described.

REFERENCES:
patent: 3208476 (1965-09-01), Clack
patent: 3687269 (1972-08-01), Fritz et al.
patent: 3891552 (1975-06-01), Prior et al.
patent: 4298025 (1981-11-01), Prior et al.
patent: 4337153 (1982-06-01), Prior
patent: 4427549 (1984-01-01), Brown et al.
patent: 4693814 (1987-09-01), Brown
patent: 5022994 (1991-06-01), Avery et al.
patent: 5490932 (1996-02-01), Hansen et al.
patent: 6189556 (2001-02-01), Blake et al.
patent: 6214214 (2001-04-01), Hansen et al.

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