CA194547A - Track signal - Google Patents

Track signal

Info

Publication number
CA194547A
CA194547A CA000194547A CA194547DA CA194547A CA 194547 A CA194547 A CA 194547A CA 000194547 A CA000194547 A CA 000194547A CA 194547D A CA194547D A CA 194547DA CA 194547 A CA194547 A CA 194547A
Authority
CA
Canada
Prior art keywords
track signal
track
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
CA000194547A
Other languages
French (fr)
Inventor
Alexander Lawrence Currie
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.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA194547A publication Critical patent/CA194547A/en
Expired legal-status Critical Current

Links

CA000194547A 1919-01-02 1919-01-02 Track signal Expired CA194547A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA194547T 1919-01-02

Publications (1)

Publication Number Publication Date
CA194547A true CA194547A (en) 1919-12-09

Family

ID=45314198

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000194547A Expired CA194547A (en) 1919-01-02 1919-01-02 Track signal

Country Status (1)

Country Link
CA (1) CA194547A (en)

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