Control, warning or like safety means along the route or between vehicles or trains

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

RAILWAYS

Subclass:

GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC

Child Classifications

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• B61L 23/02 for indicating along the route the failure of brakes
• B61L 23/04 for monitoring the mechanical state of the route
• B61L 23/06 for warning men working on the route
• B61L 23/08 for controlling traffic in one direction only
• B61L 23/22 for controlling traffic in two directions over the same pair of rails
• B61L 23/34 for indicating the distance between vehicles or trains by the transmission of signals therebetween