CA289356A - Light signal - Google Patents

Light signal

Info

Publication number
CA289356A
CA289356A CA289356A CA289356DA CA289356A CA 289356 A CA289356 A CA 289356A CA 289356 A CA289356 A CA 289356A CA 289356D A CA289356D A CA 289356DA CA 289356 A CA289356 A CA 289356A
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
CA289356A
Other languages
French (fr)
Inventor
W. Fisher Arthur
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 CA289356A publication Critical patent/CA289356A/en
Expired legal-status Critical Current

Links

CA289356A Light signal Expired CA289356A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA289356T

Publications (1)

Publication Number Publication Date
CA289356A true CA289356A (en) 1929-04-30

Family

ID=35226168

Family Applications (1)

Application Number Title Priority Date Filing Date
CA289356A Expired CA289356A (en) Light signal

Country Status (1)

Country Link
CA (1) CA289356A (en)

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