CA55194A - Circuit de signal de chemin de fer - Google Patents

Circuit de signal de chemin de fer

Info

Publication number: CA55194A
Authority: CA; Canada
Prior art keywords: signal circuit; railway signal; railway; circuit; signal
Prior art date: 1897-02-08
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

CA000055194A

Other languages

English (en)

Inventor

Fredrick Wilhelm Prokov

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

Priority date (The priority date 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 date listed.)

1897-02-08

Filing date

1897-02-08

Publication date

1897-03-09

1897-02-08 Application filed by Individual filed Critical Individual

1897-03-09 Application granted granted Critical

1897-03-09 Publication of CA55194A publication Critical patent/CA55194A/fr

Status Expired legal-status Critical Current

Links

CA000055194A 1897-02-08 1897-02-08 Circuit de signal de chemin de fer Expired CA55194A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA55194T		1897-02-08

Publications (1)

Publication Number	Publication Date
CA55194A true CA55194A (fr)	1897-03-09

Family

ID=45171733

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000055194A Expired CA55194A (fr)	1897-02-08	1897-02-08	Circuit de signal de chemin de fer

Country Status (1)

Country	Link
CA (1)	CA55194A (fr)

1897
- 1897-02-08 CA CA000055194A patent/CA55194A/fr not_active Expired

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