CA346635A - Electrical signalling system - Google Patents

Electrical signalling system

Info

Publication number: CA346635A
Authority: CA; Canada
Prior art keywords: signalling system; electrical signalling; electrical; signalling
Prior art date: 1934-12-11
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

CA346635A

Other languages

French (fr)

Inventor

Ernest Ryall Leonard

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

1934-12-11

1934-12-11 Application granted granted Critical

1934-12-11 Publication of CA346635A publication Critical patent/CA346635A/en

Status Expired legal-status Critical Current

Links

CA346635A Electrical signalling system Expired CA346635A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA346635T

Publications (1)

Publication Number	Publication Date
CA346635A true CA346635A (en)	1934-12-11

Family

ID=35317909

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA346635A Expired CA346635A (en)			Electrical signalling system

Country Status (1)

Country	Link
CA (1)	CA346635A (en)

0
- CA CA346635A patent/CA346635A/en not_active Expired

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