CA51558A - Telephone et circuit de signalement - Google Patents

Telephone et circuit de signalement

Info

Publication number
CA51558A
CA51558A CA000051558A CA51558DA CA51558A CA 51558 A CA51558 A CA 51558A CA 000051558 A CA000051558 A CA 000051558A CA 51558D A CA51558D A CA 51558DA CA 51558 A CA51558 A CA 51558A
Authority
CA
Canada
Prior art keywords
telephone
signalling circuit
signalling
circuit
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
CA000051558A
Other languages
English (en)
Inventor
Frank Albert Pickernell
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.)
Bell Telephone Company of Canada
Original Assignee
Bell Telephone Company of Canada
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 Bell Telephone Company of Canada filed Critical Bell Telephone Company of Canada
Application granted granted Critical
Publication of CA51558A publication Critical patent/CA51558A/fr
Expired legal-status Critical Current

Links

CA000051558A 1895-05-20 1895-05-20 Telephone et circuit de signalement Expired CA51558A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA51558T 1895-05-20

Publications (1)

Publication Number Publication Date
CA51558A true CA51558A (fr) 1896-03-05

Family

ID=45168097

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000051558A Expired CA51558A (fr) 1895-05-20 1895-05-20 Telephone et circuit de signalement

Country Status (1)

Country Link
CA (1) CA51558A (fr)

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