CA419281A - Systeme de signalisation electrique - Google Patents

Systeme de signalisation electrique

Info

Publication number: CA419281A
Authority: CA; Canada
Prior art keywords: signalling system; electrical signalling; electrical; signalling
Prior art date: 1944-03-28
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

CA419281A

Other languages

English (en)

Inventor

Norton Roseby Philip

Francis Mackenzie John

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

1944-03-28

1944-03-28 Application granted granted Critical

1944-03-28 Publication of CA419281A publication Critical patent/CA419281A/fr

Status Expired legal-status Critical Current

Links

230000011664 signaling Effects 0.000 title 1

CA419281A Systeme de signalisation electrique Expired CA419281A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA419281T

Publications (1)

Publication Number	Publication Date
CA419281A true CA419281A (fr)	1944-03-28

Family

ID=35528561

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA419281A Expired CA419281A (fr)			Systeme de signalisation electrique

Country Status (1)

Country	Link
CA (1)	CA419281A (fr)

0
- CA CA419281A patent/CA419281A/fr not_active Expired

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