CA429041A - Light signal - Google Patents

Light signal

Info

Publication number
CA429041A
CA429041A CA429041A CA429041DA CA429041A CA 429041 A CA429041 A CA 429041A CA 429041 A CA429041 A CA 429041A CA 429041D A CA429041D A CA 429041DA CA 429041 A CA429041 A CA 429041A
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
CA429041A
Other languages
French (fr)
Inventor
R. Douglas Myril
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 CA429041A publication Critical patent/CA429041A/en
Expired legal-status Critical Current

Links

CA429041A Light signal Expired CA429041A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA429041T

Publications (1)

Publication Number Publication Date
CA429041A true CA429041A (en) 1945-07-24

Family

ID=35544030

Family Applications (1)

Application Number Title Priority Date Filing Date
CA429041A Expired CA429041A (en) Light signal

Country Status (1)

Country Link
CA (1) CA429041A (en)

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