CA348530A - Selective signalling system - Google Patents

Selective signalling system

Info

Publication number: CA348530A
Authority: CA; Canada
Prior art keywords: signalling system; selective signalling; selective; signalling
Prior art date: 1935-02-26
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

CA348530A

Other languages

French (fr)

Inventor

Sidney Demarest Charles

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

1935-02-26

1935-02-26 Application granted granted Critical

1935-02-26 Publication of CA348530A publication Critical patent/CA348530A/en

Status Expired legal-status Critical Current

Links

CA348530A Selective signalling system Expired CA348530A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA348530T

Publications (1)

Publication Number	Publication Date
CA348530A true CA348530A (en)	1935-02-26

Family

ID=35319805

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA348530A Expired CA348530A (en)			Selective signalling system

Country Status (1)

Country	Link
CA (1)	CA348530A (en)

0
- CA CA348530A patent/CA348530A/en not_active Expired

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