CA258230A - Light signal - Google Patents

Light signal

Info

Publication number
CA258230A
CA258230A CA258230A CA258230DA CA258230A CA 258230 A CA258230 A CA 258230A CA 258230 A CA258230 A CA 258230A CA 258230D A CA258230D A CA 258230DA CA 258230 A CA258230 A CA 258230A
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
CA258230A
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 CA258230A publication Critical patent/CA258230A/en
Expired legal-status Critical Current

Links

CA258230A Light signal Expired CA258230A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA258230T

Publications (1)

Publication Number Publication Date
CA258230A true CA258230A (en) 1926-02-16

Family

ID=35166778

Family Applications (1)

Application Number Title Priority Date Filing Date
CA258230A Expired CA258230A (en) Light signal

Country Status (1)

Country Link
CA (1) CA258230A (en)

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