CA592103A - Busy-verification automatic telephone system - Google Patents

Busy-verification automatic telephone system

Info

Publication number: CA592103A
Authority: CA; Canada
Prior art keywords: busy; telephone system; automatic telephone; verification automatic; verification
Prior art date: 1960-02-09
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

CA592103A

Inventor

J. Leonard Edward

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 Standard Electric Corp

Original Assignee

International Standard Electric Corp

Publication date

1960-02-09

1960-02-09 Application granted granted Critical

1960-02-09 Publication of CA592103A publication Critical patent/CA592103A/en

Status Expired legal-status Critical Current

Links

CA592103A Busy-verification automatic telephone system Expired CA592103A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA592103T

Publications (1)

Publication Number	Publication Date
CA592103A true CA592103A (en)	1960-02-09

Family

ID=35805637

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA592103A Expired CA592103A (en)			Busy-verification automatic telephone system

Country Status (1)

Country	Link
CA (1)	CA592103A (en)

0
- CA CA592103A patent/CA592103A/en not_active Expired

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