CA178265A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA178265A
CA178265A CA000178265A CA178265DA CA178265A CA 178265 A CA178265 A CA 178265A CA 000178265 A CA000178265 A CA 000178265A CA 178265D A CA178265D A CA 178265DA CA 178265 A CA178265 A CA 178265A
Authority
CA
Canada
Prior art keywords
telephone system
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
CA000178265A
Other languages
English (en)
Inventor
Bert Guernsey Dunham
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA178265A publication Critical patent/CA178265A/fr
Expired legal-status Critical Current

Links

CA000178265A 1916-03-20 1916-03-20 Systeme telephonique Expired CA178265A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA178265T 1916-03-20

Publications (1)

Publication Number Publication Date
CA178265A true CA178265A (fr) 1917-07-17

Family

ID=45297918

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000178265A Expired CA178265A (fr) 1916-03-20 1916-03-20 Systeme telephonique

Country Status (1)

Country Link
CA (1) CA178265A (fr)

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