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CA254408A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA254408A
CA254408A CA254408A CA254408DA CA254408A CA 254408 A CA254408 A CA 254408A CA 254408 A CA254408 A CA 254408A CA 254408D A CA254408D A CA 254408DA CA 254408 A CA254408 A CA 254408A
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
CA254408A
Other languages
French (fr)
Inventor
P. Albert Walter
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.)
INTERNATIONAL WESTERN ELECTRIC Co
Original Assignee
INTERNATIONAL WESTERN ELECTRIC Co
Publication date
Application granted granted Critical
Publication of CA254408A publication Critical patent/CA254408A/en
Expired legal-status Critical Current

Links

CA254408A Telephone system Expired CA254408A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA254408T

Publications (1)

Publication Number Publication Date
CA254408A true CA254408A (en) 1925-10-06

Family

ID=35162958

Family Applications (1)

Application Number Title Priority Date Filing Date
CA254408A Expired CA254408A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA254408A (en)

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