CA161589A - Telephone switch - Google Patents

Telephone switch

Info

Publication number
CA161589A
CA161589A CA000161589A CA161589DA CA161589A CA 161589 A CA161589 A CA 161589A CA 000161589 A CA000161589 A CA 000161589A CA 161589D A CA161589D A CA 161589DA CA 161589 A CA161589 A CA 161589A
Authority
CA
Canada
Prior art keywords
telephone switch
telephone
switch
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
CA000161589A
Other languages
French (fr)
Inventor
Marion R. Bullard
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.)
Northern Electric and Manufacturing Co Ltd
Original Assignee
Northern Electric and Manufacturing Co Ltd
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 Northern Electric and Manufacturing Co Ltd filed Critical Northern Electric and Manufacturing Co Ltd
Application granted granted Critical
Publication of CA161589A publication Critical patent/CA161589A/en
Expired legal-status Critical Current

Links

CA000161589A 1911-02-07 1911-02-07 Telephone switch Expired CA161589A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA161589T 1911-02-07

Publications (1)

Publication Number Publication Date
CA161589A true CA161589A (en) 1915-03-30

Family

ID=45281278

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000161589A Expired CA161589A (en) 1911-02-07 1911-02-07 Telephone switch

Country Status (1)

Country Link
CA (1) CA161589A (en)

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