Valve unit

Details Valve unit Valve unit

2006-04-25

2006-04-25

Greene, Paula A. (Department: 2912)

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

CD23S236000

Design Patent

active

D0519354

CLAIM:
The ornamental design for “valve unit,” as shown and described.

REFERENCES:
patent: 1980655 (1934-11-01), Balistreri
patent: 4934024 (1990-06-01), Sexton, I
patent: 5472012 (1995-12-01), Wood et al.
patent: D375036 (1996-10-01), David et al.
patent: D381887 (1997-08-01), Chen
patent: D411432 (1999-06-01), Stahel
patent: D416689 (1999-11-01), Camp, Jr.
patent: D417905 (1999-12-01), Kallenbach et al.
patent: D421881 (2000-03-01), Wen
patent: D442267 (2001-05-01), Kouda
patent: 6523564 (2003-02-01), Phillips
patent: D500840 (2005-01-01), Kim

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