U.S. federal trademark · Serial No. 79016259 · Reg. No. 3436151
Electronic and electromechanical apparatus, equipment and devices installed along railway lines for identifying the passage of a train, namely, electronic axle counters; electronic track circuits for identifying occupation of a length of railway line; electronic and electromechanical railway switches and point machines in the nature of computer hardware for use in switching trains; electronic and electromechanical signals for indicating the edges of the track; level crossings in the nature of railway signals, signal bells and whistles for indicating and protecting crossings between railway lines and other paths; work gang protection systems comprised of flashing safety lights and whistles for alerting and protecting workers working on railway lines
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