CA256355A - Light signal - Google Patents

Light signal

Info

Publication number
CA256355A
CA256355A CA256355A CA256355DA CA256355A CA 256355 A CA256355 A CA 256355A CA 256355 A CA256355 A CA 256355A CA 256355D A CA256355D A CA 256355DA CA 256355 A CA256355 A CA 256355A
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
CA256355A
Other languages
French (fr)
Inventor
M. Day Salisbury
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
Salisbury M Day
General Railway Signal Co
Publication date
Application granted granted Critical
Publication of CA256355A publication Critical patent/CA256355A/en
Expired legal-status Critical Current

Links

CA256355A Light signal Expired CA256355A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA256355T

Publications (1)

Publication Number Publication Date
CA256355A true CA256355A (en) 1925-12-15

Family

ID=35164904

Family Applications (1)

Application Number Title Priority Date Filing Date
CA256355A Expired CA256355A (en) Light signal

Country Status (1)

Country Link
CA (1) CA256355A (en)

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