CA74683A - Telephone exchange system - Google Patents

Telephone exchange system

Info

Publication number
CA74683A
CA74683A CA000074683A CA74683DA CA74683A CA 74683 A CA74683 A CA 74683A CA 000074683 A CA000074683 A CA 000074683A CA 74683D A CA74683D A CA 74683DA CA 74683 A CA74683 A CA 74683A
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
CA000074683A
Other languages
French (fr)
Inventor
James Lawrence Mcquarrie
Charles Ezra Scribner
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 CA74683A publication Critical patent/CA74683A/en
Expired legal-status Critical Current

Links

CA000074683A 1900-05-26 1900-05-26 Telephone exchange system Expired CA74683A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA74683T 1900-05-26

Publications (1)

Publication Number Publication Date
CA74683A true CA74683A (en) 1902-02-04

Family

ID=45191219

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000074683A Expired CA74683A (en) 1900-05-26 1900-05-26 Telephone exchange system

Country Status (1)

Country Link
CA (1) CA74683A (en)

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