CA489677A - Appareil de protection de voie de croisement - Google Patents

Appareil de protection de voie de croisement

Info

Publication number: CA489677A
Authority: CA; Canada
Prior art keywords: protection apparatus; crossover protection; crossover; protection
Prior art date: 1953-01-13
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

CA489677A

Other languages

English (en)

Inventor

M. Gilson Robert

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.)

Hitachi Rail STS USA Inc

Original Assignee

Union Switch and Signal Inc

Publication date

1953-01-13

1953-01-13 Application granted granted Critical

1953-01-13 Publication of CA489677A publication Critical patent/CA489677A/fr

Status Expired legal-status Critical Current

Links

CA489677A Appareil de protection de voie de croisement Expired CA489677A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA489677T

Publications (1)

Publication Number	Publication Date
CA489677A true CA489677A (fr)	1953-01-13

Family

ID=35629405

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA489677A Expired CA489677A (fr)			Appareil de protection de voie de croisement

Country Status (1)

Country	Link
CA (1)	CA489677A (fr)

0
- CA CA489677A patent/CA489677A/fr not_active Expired

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