CA217340A - Avertisseur d'aiguille de chemin de fer - Google Patents

Avertisseur d'aiguille de chemin de fer

Info

Publication number
CA217340A
CA217340A CA217340A CA217340DA CA217340A CA 217340 A CA217340 A CA 217340A CA 217340 A CA217340 A CA 217340A CA 217340D A CA217340D A CA 217340DA CA 217340 A CA217340 A CA 217340A
Authority
CA
Canada
Prior art keywords
point detector
detector
point
Prior art date
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
CA217340A
Other languages
English (en)
Inventor
C. Leake Richard
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.)
SPX Technologies Inc
Original Assignee
General Railway Signal Co
Publication date
Application granted granted Critical
Publication of CA217340A publication Critical patent/CA217340A/fr
Expired legal-status Critical Current

Links

CA217340A Avertisseur d'aiguille de chemin de fer Expired CA217340A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA217340T

Publications (1)

Publication Number Publication Date
CA217340A true CA217340A (fr) 1922-03-28

Family

ID=35111784

Family Applications (1)

Application Number Title Priority Date Filing Date
CA217340A Expired CA217340A (fr) Avertisseur d'aiguille de chemin de fer

Country Status (1)

Country Link
CA (1) CA217340A (fr)

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