CA22491A - Systeme de circuit metallique pour telephone - Google Patents

Systeme de circuit metallique pour telephone

Info

Publication number
CA22491A
CA22491A CA000022491A CA22491DA CA22491A CA 22491 A CA22491 A CA 22491A CA 000022491 A CA000022491 A CA 000022491A CA 22491D A CA22491D A CA 22491DA CA 22491 A CA22491 A CA 22491A
Authority
CA
Canada
Prior art keywords
telephone system
metallic circuit
circuit telephone
metallic
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
CA000022491A
Other languages
English (en)
Inventor
Ezra T. Gilliland
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.)
BELL TELEPHONE Co
Original Assignee
BELL TELEPHONE Co
Publication date
Application granted granted Critical
Publication of CA22491A publication Critical patent/CA22491A/fr
Expired legal-status Critical Current

Links

CA000022491A Systeme de circuit metallique pour telephone Expired CA22491A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA22491T

Publications (1)

Publication Number Publication Date
CA22491A true CA22491A (fr) 1885-09-19

Family

ID=45139034

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000022491A Expired CA22491A (fr) Systeme de circuit metallique pour telephone

Country Status (1)

Country Link
CA (1) CA22491A (fr)

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