CA353257A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA353257A
CA353257A CA353257A CA353257DA CA353257A CA 353257 A CA353257 A CA 353257A CA 353257 A CA353257 A CA 353257A CA 353257D A CA353257D A CA 353257DA CA 353257 A CA353257 A CA 353257A
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
CA353257A
Other languages
English (en)
Inventor
John Bowne Langford
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
Publication date
Application granted granted Critical
Publication of CA353257A publication Critical patent/CA353257A/fr
Expired legal-status Critical Current

Links

CA353257A Systeme telephonique Expired CA353257A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA353257T

Publications (1)

Publication Number Publication Date
CA353257A true CA353257A (fr) 1935-09-24

Family

ID=35341219

Family Applications (1)

Application Number Title Priority Date Filing Date
CA353257A Expired CA353257A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA353257A (fr)

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