CA148682A - Interrupteur de systemes telephoniques - Google Patents

Interrupteur de systemes telephoniques

Info

Publication number
CA148682A
CA148682A CA000148682A CA148682DA CA148682A CA 148682 A CA148682 A CA 148682A CA 000148682 A CA000148682 A CA 000148682A CA 148682D A CA148682D A CA 148682DA CA 148682 A CA148682 A CA 148682A
Authority
CA
Canada
Prior art keywords
switch
telephone systems
telephone
systems
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
CA000148682A
Other languages
English (en)
Inventor
Charles H. North
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.)
North Electric Co
Original Assignee
North Electric Co
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 North Electric Co filed Critical North Electric Co
Application granted granted Critical
Publication of CA148682A publication Critical patent/CA148682A/fr
Expired legal-status Critical Current

Links

CA000148682A 1911-12-05 1911-12-05 Interrupteur de systemes telephoniques Expired CA148682A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA148682T 1911-12-05

Publications (1)

Publication Number Publication Date
CA148682A true CA148682A (fr) 1913-06-17

Family

ID=45268396

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000148682A Expired CA148682A (fr) 1911-12-05 1911-12-05 Interrupteur de systemes telephoniques

Country Status (1)

Country Link
CA (1) CA148682A (fr)

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