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Class 246/461 - Cast bound


Subclass of Class 246 - Railway switches and signals
Definition: Subject matter in which the inserts are secured in position,
No. of patents: 1
Last issue date: 02/07/2006


NumberTitleIssue Date
6994299Railroad crossing apparatus having improved rail connection and improved flangeway floor geometry and method incorporating the same
An improved railroad frog, and method incorporating the same, for facilitating the intersection of rail lines in a more efficient, effective, and durable manner. In one aspect the invention is a railroad frog apparatus comprising: a body having flangeways that inter... 		02/07/2006
 
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