CA227830A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA227830A
CA227830A CA227830A CA227830DA CA227830A CA 227830 A CA227830 A CA 227830A CA 227830 A CA227830 A CA 227830A CA 227830D A CA227830D A CA 227830DA CA 227830 A CA227830 A CA 227830A
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
CA227830A
Other languages
French (fr)
Inventor
D. Ide Harry
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.)
Kellogg Switchboard and Supply Co
Original Assignee
Kellogg Switchboard and Supply Co
Publication date
Application granted granted Critical
Publication of CA227830A publication Critical patent/CA227830A/en
Expired legal-status Critical Current

Links

CA227830A Telephone system Expired CA227830A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA227830T

Publications (1)

Publication Number Publication Date
CA227830A true CA227830A (en) 1923-01-09

Family

ID=35123433

Family Applications (1)

Application Number Title Priority Date Filing Date
CA227830A Expired CA227830A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA227830A (en)

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