CA428292A - Light signal - Google Patents

Light signal

Info

Publication number
CA428292A
CA428292A CA428292A CA428292DA CA428292A CA 428292 A CA428292 A CA 428292A CA 428292 A CA428292 A CA 428292A CA 428292D A CA428292D A CA 428292DA CA 428292 A CA428292 A CA 428292A
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
CA428292A
Other languages
French (fr)
Inventor
R. Pflasterer George
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 CA428292A publication Critical patent/CA428292A/en
Expired legal-status Critical Current

Links

CA428292A Light signal Expired CA428292A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA428292T

Publications (1)

Publication Number Publication Date
CA428292A true CA428292A (en) 1945-06-19

Family

ID=35543271

Family Applications (1)

Application Number Title Priority Date Filing Date
CA428292A Expired CA428292A (en) Light signal

Country Status (1)

Country Link
CA (1) CA428292A (en)

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