CA68198A - Telephone exchange system - Google Patents

Telephone exchange system

Info

Publication number
CA68198A
CA68198A CA000068198A CA68198DA CA68198A CA 68198 A CA68198 A CA 68198A CA 000068198 A CA000068198 A CA 000068198A CA 68198D A CA68198D A CA 68198DA CA 68198 A CA68198 A CA 68198A
Authority
CA
Canada
Prior art keywords
exchange system
telephone exchange
telephone
exchange
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
CA000068198A
Other languages
French (fr)
Inventor
Frank Robert Mcberty
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 CA68198A publication Critical patent/CA68198A/en
Expired legal-status Critical Current

Links

CA000068198A 1900-01-05 1900-01-05 Telephone exchange system Expired CA68198A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA68198T 1900-01-05

Publications (1)

Publication Number Publication Date
CA68198A true CA68198A (en) 1900-07-24

Family

ID=45184736

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000068198A Expired CA68198A (en) 1900-01-05 1900-01-05 Telephone exchange system

Country Status (1)

Country Link
CA (1) CA68198A (en)

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