CA216484A - Anti-side tone hand set - Google Patents

Anti-side tone hand set

Info

Publication number
CA216484A
CA216484A CA216484A CA216484DA CA216484A CA 216484 A CA216484 A CA 216484A CA 216484 A CA216484 A CA 216484A CA 216484D A CA216484D A CA 216484DA CA 216484 A CA216484 A CA 216484A
Authority
CA
Canada
Prior art keywords
hand set
side tone
tone hand
tone
hand
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
CA216484A
Other languages
French (fr)
Inventor
K. Thompson George
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 CA216484A publication Critical patent/CA216484A/en
Expired legal-status Critical Current

Links

CA216484A Anti-side tone hand set Expired CA216484A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA216484T

Publications (1)

Publication Number Publication Date
CA216484A true CA216484A (en) 1922-03-07

Family

ID=35110928

Family Applications (1)

Application Number Title Priority Date Filing Date
CA216484A Expired CA216484A (en) Anti-side tone hand set

Country Status (1)

Country Link
CA (1) CA216484A (en)

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