CA345199A - Light signal unit - Google Patents

Light signal unit

Info

Publication number
CA345199A
CA345199A CA345199A CA345199DA CA345199A CA 345199 A CA345199 A CA 345199A CA 345199 A CA345199 A CA 345199A CA 345199D A CA345199D A CA 345199DA CA 345199 A CA345199 A CA 345199A
Authority
CA
Canada
Prior art keywords
light signal
signal unit
unit
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
CA345199A
Other languages
French (fr)
Inventor
S. Field Oscar
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 Technologies Inc
Original Assignee
General Railway Signal Co
Publication date
Application granted granted Critical
Publication of CA345199A publication Critical patent/CA345199A/en
Expired legal-status Critical Current

Links

CA345199A Light signal unit Expired CA345199A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA345199T

Publications (1)

Publication Number Publication Date
CA345199A true CA345199A (en) 1934-10-09

Family

ID=35316472

Family Applications (1)

Application Number Title Priority Date Filing Date
CA345199A Expired CA345199A (en) Light signal unit

Country Status (1)

Country Link
CA (1) CA345199A (en)

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