CA178986A - Telephone circuit - Google Patents

Telephone circuit

Info

Publication number
CA178986A
CA178986A CA000178986A CA178986DA CA178986A CA 178986 A CA178986 A CA 178986A CA 000178986 A CA000178986 A CA 000178986A CA 178986D A CA178986D A CA 178986DA CA 178986 A CA178986 A CA 178986A
Authority
CA
Canada
Prior art keywords
telephone circuit
telephone
circuit
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
CA000178986A
Other languages
French (fr)
Inventor
Arthur Bessey Smith
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.)
Automatic Electric Co
Original Assignee
Automatic Electric Co
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 Automatic Electric Co filed Critical Automatic Electric Co
Application granted granted Critical
Publication of CA178986A publication Critical patent/CA178986A/en
Expired legal-status Critical Current

Links

CA000178986A 1916-06-25 1916-06-25 Telephone circuit Expired CA178986A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA178986T 1916-06-25

Publications (1)

Publication Number Publication Date
CA178986A true CA178986A (en) 1917-08-28

Family

ID=45298639

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000178986A Expired CA178986A (en) 1916-06-25 1916-06-25 Telephone circuit

Country Status (1)

Country Link
CA (1) CA178986A (en)

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