Control valve

Details Control valve Control valve

2002-04-04

2003-10-07

Holtje, Nelon C. (Department: 2913)

Environmental heating and cooling; fluid handling and sanitary e

Fluid handling or treatment equipment

Valve or body therefor

Design Patent

active

D0480449

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

REFERENCES:
patent: D150369 (1948-07-01), Mathews
patent: D152809 (1949-02-01), MacCauley
patent: 2841359 (1958-07-01), Berck
patent: D213104 (1969-01-01), Towsend
patent: D252516 (1979-07-01), McGraw
patent: 4284098 (1981-08-01), Kruschik
patent: 5271601 (1993-12-01), Bonzer et al.
patent: D348096 (1994-06-01), Greenwood et al.
patent: 5769387 (1998-06-01), Perez
patent: 5909747 (1999-06-01), Schieber
patent: D439311 (2001-03-01), Martin

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