CA60012A - Signal pour echange de telephone - Google Patents

Signal pour echange de telephone

Info

Publication number
CA60012A
CA60012A CA000060012A CA60012DA CA60012A CA 60012 A CA60012 A CA 60012A CA 000060012 A CA000060012 A CA 000060012A CA 60012D A CA60012D A CA 60012DA CA 60012 A CA60012 A CA 60012A
Authority
CA
Canada
Prior art keywords
telephone switchboard
switchboard signal
signal
telephone
switchboard
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
CA000060012A
Other languages
English (en)
Inventor
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 CA60012A publication Critical patent/CA60012A/fr
Expired legal-status Critical Current

Links

CA000060012A 1898-01-05 1898-01-05 Signal pour echange de telephone Expired CA60012A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA60012T 1898-01-05

Publications (1)

Publication Number Publication Date
CA60012A true CA60012A (fr) 1898-05-14

Family

ID=45176550

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000060012A Expired CA60012A (fr) 1898-01-05 1898-01-05 Signal pour echange de telephone

Country Status (1)

Country Link
CA (1) CA60012A (fr)

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