Railway switches and signals – Switches
Reexamination Certificate
2004-02-02
2009-02-03
Le, Mark T (Department: 3617)
Railway switches and signals
Switches
C246S448000, C246S449000, C246S452000, C246S221000
Reexamination Certificate
active
07484695
ABSTRACT:
A switch machine for railway and tramway switches or the like, having an enclosure for its operating units of the same size as a tie and adapted to be used like a tie, characterized in that the switch machine has a modular construction.
REFERENCES:
patent: 5292091 (1994-03-01), Callegari et al.
patent: 5620156 (1997-04-01), Berggren et al.
European Patent Office, Minutes, Oral Proceedings, Notification 04 707 237.6 (Nov. 2, 2007).
Alstom Ferroviaria S.p.A.
Le Mark T
Themis Intellectual Property Counsel
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