CA587164A - Telephone systems - Google Patents

Telephone systems

Info

Publication number: CA587164A
Authority: CA; Canada
Prior art keywords: telephone systems; telephone; systems
Prior art date: 1959-11-17
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

CA587164A

Other languages

French (fr)

Inventor

D. Allum Robin

W. Helsby Gordon

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 Telephone and Electric Co Ltd

Original Assignee

Automatic Telephone and Electric Co Ltd

Publication date

1959-11-17

1959-11-17 Application granted granted Critical

1959-11-17 Publication of CA587164A publication Critical patent/CA587164A/en

Status Expired legal-status Critical Current

Links

CA587164A Telephone systems Expired CA587164A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA587164T

Publications (1)

Publication Number	Publication Date
CA587164A true CA587164A (en)	1959-11-17

Family

ID=35766633

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA587164A Expired CA587164A (en)			Telephone systems

Country Status (1)

Country	Link
CA (1)	CA587164A (en)

0
- CA CA587164A patent/CA587164A/en not_active Expired

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