Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 15, 2008
Patent Application Number
10891746
Date Filed
July 15, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
An articulate railroad grade crossing assembly. In a preferred embodiment, the crossing assembly has an adjustable reach so that it can be adjusted to completely or partially close roadways of various sizes. In another preferred embodiment, the assembly includes one or more sensors for detecting the presence of people and/or objects in the crossing area so that the assembly can automatically respond to such presence.
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