CA338236A - Signalling device - Google Patents

Signalling device

Info

Publication number: CA338236A
Authority: CA; Canada
Prior art keywords: signalling device; signalling
Prior art date: 1933-12-26
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

CA338236A

Other languages

French (fr)

Inventor

Bertrand Johnson 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.)

AT&T Inc

Original Assignee

Western Electric Co Inc

Publication date

1933-12-26

1933-12-26 Application granted granted Critical

1933-12-26 Publication of CA338236A publication Critical patent/CA338236A/en

Status Expired legal-status Critical Current

Links

CA338236A Signalling device Expired CA338236A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA338236T

Publications (1)

Publication Number	Publication Date
CA338236A true CA338236A (en)	1933-12-26

Family

ID=35301377

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA338236A Expired CA338236A (en)			Signalling device

Country Status (1)

Country	Link
CA (1)	CA338236A (en)

0
- CA CA338236A patent/CA338236A/en not_active Expired

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