CA199616A - Light signal - Google Patents

Light signal

Info

Publication number
CA199616A
CA199616A CA199616A CA199616DA CA199616A CA 199616 A CA199616 A CA 199616A CA 199616 A CA199616 A CA 199616A CA 199616D A CA199616D A CA 199616DA CA 199616 A CA199616 A CA 199616A
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
CA199616A
Other languages
French (fr)
Inventor
S. Snavely Clarence
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 CA199616A publication Critical patent/CA199616A/en
Expired legal-status Critical Current

Links

CA199616A Light signal Expired CA199616A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA199616T

Publications (1)

Publication Number Publication Date
CA199616A true CA199616A (en) 1920-04-27

Family

ID=35074053

Family Applications (1)

Application Number Title Priority Date Filing Date
CA199616A Expired CA199616A (en) Light signal

Country Status (1)

Country Link
CA (1) CA199616A (en)

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