CA338060A - Light signal - Google Patents

Light signal

Info

Publication number
CA338060A
CA338060A CA338060A CA338060DA CA338060A CA 338060 A CA338060 A CA 338060A CA 338060 A CA338060 A CA 338060A CA 338060D A CA338060D A CA 338060DA CA 338060 A CA338060 A CA 338060A
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
CA338060A
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 CA338060A publication Critical patent/CA338060A/en
Expired legal-status Critical Current

Links

CA338060A Light signal Expired CA338060A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA338060T

Publications (1)

Publication Number Publication Date
CA338060A true CA338060A (en) 1933-12-19

Family

ID=35301201

Family Applications (1)

Application Number Title Priority Date Filing Date
CA338060A Expired CA338060A (en) Light signal

Country Status (1)

Country Link
CA (1) CA338060A (en)

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