CA66840A - Telephone switch board signal - Google Patents

Telephone switch board signal

Info

Publication number
CA66840A
CA66840A CA000066840A CA66840DA CA66840A CA 66840 A CA66840 A CA 66840A CA 000066840 A CA000066840 A CA 000066840A CA 66840D A CA66840D A CA 66840DA CA 66840 A CA66840 A CA 66840A
Authority
CA
Canada
Prior art keywords
switch board
telephone switch
board signal
signal
telephone
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
CA000066840A
Other languages
French (fr)
Inventor
C.E. 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 CA66840A publication Critical patent/CA66840A/en
Expired legal-status Critical Current

Links

CA000066840A 1898-05-27 1898-05-27 Telephone switch board signal Expired CA66840A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA66840T 1898-05-27

Publications (1)

Publication Number Publication Date
CA66840A true CA66840A (en) 1900-03-31

Family

ID=45183378

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000066840A Expired CA66840A (en) 1898-05-27 1898-05-27 Telephone switch board signal

Country Status (1)

Country Link
CA (1) CA66840A (en)

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