CA440653A - Light signal for railroads - Google Patents

Light signal for railroads

Info

Publication number
CA440653A
CA440653A CA440653A CA440653DA CA440653A CA 440653 A CA440653 A CA 440653A CA 440653 A CA440653 A CA 440653A CA 440653D A CA440653D A CA 440653DA CA 440653 A CA440653 A CA 440653A
Authority
CA
Canada
Prior art keywords
railroads
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
CA440653A
Other languages
French (fr)
Inventor
J. Judge Thomas
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.)
SPX Corp
Original Assignee
General Railway Signal Co
Publication date
Application granted granted Critical
Publication of CA440653A publication Critical patent/CA440653A/en
Expired legal-status Critical Current

Links

CA440653A Light signal for railroads Expired CA440653A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA440653T

Publications (1)

Publication Number Publication Date
CA440653A true CA440653A (en) 1947-04-08

Family

ID=35555887

Family Applications (1)

Application Number Title Priority Date Filing Date
CA440653A Expired CA440653A (en) Light signal for railroads

Country Status (1)

Country Link
CA (1) CA440653A (en)

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