CA353697A - Call charging telephone system - Google Patents

Call charging telephone system

Info

Publication number: CA353697A
Authority: CA; Canada
Prior art keywords: telephone system; call charging; charging telephone; call; telephone
Prior art date: 1935-10-22
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

CA353697A

Other languages

French (fr)

Inventor

Early Hague Alfred

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.)

AT&T Corp

Original Assignee

Western Electric Co Inc

Publication date

1935-10-22

1935-10-22 Application granted granted Critical

1935-10-22 Publication of CA353697A publication Critical patent/CA353697A/en

Status Expired legal-status Critical Current

Links

CA353697A Call charging telephone system Expired CA353697A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA353697T

Publications (1)

Publication Number	Publication Date
CA353697A true CA353697A (en)	1935-10-22

Family

ID=35341659

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA353697A Expired CA353697A (en)			Call charging telephone system

Country Status (1)

Country	Link
CA (1)	CA353697A (en)

0
- CA CA353697A patent/CA353697A/en not_active Expired

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