CA433725A - Light signal - Google Patents

Light signal

Info

Publication number
CA433725A
CA433725A CA433725A CA433725DA CA433725A CA 433725 A CA433725 A CA 433725A CA 433725 A CA433725 A CA 433725A CA 433725D A CA433725D A CA 433725DA CA 433725 A CA433725 A CA 433725A
Authority
CA
Canada
Prior art keywords
light signal
light
signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA433725A
Other languages
French (fr)
Inventor
L. Jerome Arthur
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Rail STS USA Inc
Original Assignee
Union Switch and Signal Inc
Publication date
Application granted granted Critical
Publication of CA433725A publication Critical patent/CA433725A/en
Expired legal-status Critical Current

Links

CA433725A Light signal Expired CA433725A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA433725T

Publications (1)

Publication Number Publication Date
CA433725A true CA433725A (en) 1946-03-19

Family

ID=35548346

Family Applications (1)

Application Number Title Priority Date Filing Date
CA433725A Expired CA433725A (en) Light signal

Country Status (1)

Country Link
CA (1) CA433725A (en)

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