CA116016A - Semaphore - Google Patents

Semaphore

Info

Publication number
CA116016A
CA116016A CA000116016A CA116016DA CA116016A CA 116016 A CA116016 A CA 116016A CA 000116016 A CA000116016 A CA 000116016A CA 116016D A CA116016D A CA 116016DA CA 116016 A CA116016 A CA 116016A
Authority
CA
Canada
Prior art keywords
semaphore
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
CA000116016A
Other languages
English (en)
Inventor
Harry Mclean Abernethy
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.)
AMERICAN RAILWAY SIGNAL Co
Original Assignee
AMERICAN RAILWAY SIGNAL Co
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 AMERICAN RAILWAY SIGNAL Co filed Critical AMERICAN RAILWAY SIGNAL Co
Application granted granted Critical
Publication of CA116016A publication Critical patent/CA116016A/fr
Expired legal-status Critical Current

Links

CA000116016A 1908-04-29 1908-04-29 Semaphore Expired CA116016A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA116016T 1908-04-29

Publications (1)

Publication Number Publication Date
CA116016A true CA116016A (fr) 1909-01-12

Family

ID=45235741

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000116016A Expired CA116016A (fr) 1908-04-29 1908-04-29 Semaphore

Country Status (1)

Country Link
CA (1) CA116016A (fr)

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