Chain – staple – and horseshoe making – Chains – Ornamental
Reexamination Certificate
2008-11-03
2010-06-08
Jones, David B (Department: 3725)
Chain, staple, and horseshoe making
Chains
Ornamental
C059S078000, C059S084000, C063S004000
Reexamination Certificate
active
07730710
ABSTRACT:
Said strap with articulated links, in particular for a watch, comprises at least three adjacent rows of links offset from one adjacent row to another, in which at least one friction surface (3, 13, 23-163) of each joint is made of a material of which the hardness is >800 HV. Said bearing surface (3, 13, 23-163) is in contact with at least one joint element (5, 15, 25-165) having at least one friction surface made of a second material selected from the following materials: ceramic, ceramic-metal composite, amorphous carbon, stainless steel without nickel, cobalt alloy, gold or gold alloy, platinum or platinum alloy, platinoid or platinoid alloy, titanium or titanium alloy, capable of reducing the frictional wear with the friction surface (3, 13, 23-163).
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European Search Report No. EP 07 40 5321, date of mailing Apr. 21, 2008.
Jones David B
Rolex S.A.
Westerman Hattori Daniels & Adrian LLP
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