CA53575A - Systeme electrique de signal - Google Patents

Systeme electrique de signal

Info

Publication number
CA53575A
CA53575A CA000053575A CA53575DA CA53575A CA 53575 A CA53575 A CA 53575A CA 000053575 A CA000053575 A CA 000053575A CA 53575D A CA53575D A CA 53575DA CA 53575 A CA53575 A CA 53575A
Authority
CA
Canada
Prior art keywords
signalling
succession
electrical
calling system
calling
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
CA000053575A
Other languages
English (en)
Inventor
James Gilmore Smith
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 CA53575A publication Critical patent/CA53575A/fr
Expired legal-status Critical Current

Links

CA000053575A 1895-11-04 1895-11-04 Systeme electrique de signal Expired CA53575A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA53575T 1895-11-04

Publications (1)

Publication Number Publication Date
CA53575A true CA53575A (fr) 1896-09-25

Family

ID=45170114

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000053575A Expired CA53575A (fr) 1895-11-04 1895-11-04 Systeme electrique de signal

Country Status (1)

Country Link
CA (1) CA53575A (fr)

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