Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Design Patent
2007-11-06
2007-11-06
Barkai, Raphael (Department: 2915)
Bleaching and dyeing; fluid treatment and chemical modification
Treatment of hides, skins, feathers and animal tissues
Tanning
Design Patent
active
29262056
CLAIM:
The ornamental design for a switch of ratchet wheel, as shown and described.
REFERENCES:
patent: 6282991 (2001-09-01), Hu
patent: 6282992 (2001-09-01), Hu
patent: 6516691 (2003-02-01), Wei
patent: 6761091 (2004-07-01), Hsien
patent: 6805027 (2004-10-01), Hsien
patent: 6886428 (2005-05-01), Hsien
patent: 7121171 (2006-10-01), Hsien
patent: 2003/0070512 (2003-04-01), Hu
Barkai Raphael
Gholson Randall H
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