CA383127A - Light signal - Google Patents

Light signal

Info

Publication number
CA383127A
CA383127A CA383127A CA383127DA CA383127A CA 383127 A CA383127 A CA 383127A CA 383127 A CA383127 A CA 383127A CA 383127D A CA383127D A CA 383127DA CA 383127 A CA383127 A CA 383127A
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
CA383127A
Other languages
French (fr)
Inventor
B. Wells Wesley
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 CA383127A publication Critical patent/CA383127A/en
Expired legal-status Critical Current

Links

CA383127A Light signal Expired CA383127A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA383127T

Publications (1)

Publication Number Publication Date
CA383127A true CA383127A (en) 1939-08-01

Family

ID=35388359

Family Applications (1)

Application Number Title Priority Date Filing Date
CA383127A Expired CA383127A (en) Light signal

Country Status (1)

Country Link
CA (1) CA383127A (en)

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