CA250704A - Methode de signalisation electrique - Google Patents

Methode de signalisation electrique

Info

Publication number: CA250704A
Authority: CA; Canada
Prior art keywords: signalling method; electrical signalling; electrical; signalling
Prior art date: 1925-06-16
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

CA250704A

Other languages

English (en)

Inventor

Eugene Pernot Frederick

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.)

Individual

Original Assignee

Individual

Publication date

1925-06-16

1925-06-16 Application granted granted Critical

1925-06-16 Publication of CA250704A publication Critical patent/CA250704A/fr

Status Expired legal-status Critical Current

Links

230000011664 signaling Effects 0.000 title 1

CA250704A Methode de signalisation electrique Expired CA250704A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA250704T

Publications (1)

Publication Number	Publication Date
CA250704A true CA250704A (fr)	1925-06-16

Family

ID=35157678

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA250704A Expired CA250704A (fr)			Methode de signalisation electrique

Country Status (1)

Country	Link
CA (1)	CA250704A (fr)

0
- CA CA250704A patent/CA250704A/fr not_active Expired

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