Control valve

Details Control valve Control valve

2001-03-21

2002-07-16

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

D0460526

CLAIM:
The ornamental design for the control valve, as shown and described.

REFERENCES:
patent: 4221361 (1980-09-01), Weingarten
patent: 4284098 (1981-08-01), Kruschik
patent: 4319737 (1982-03-01), Waterfield
patent: D335331 (1993-05-01), Weingarten
patent: 5271601 (1993-12-01), Bonzer et al.
patent: 5829473 (1998-11-01), Hajbi et al.
patent: 5909747 (1999-06-01), Schieber
patent: 6095484 (2000-08-01), Frenkel
patent: 6102071 (2000-08-01), Walton et al.

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