CA428862A - Signal system fault indicating means - Google Patents

Signal system fault indicating means

Info

Publication number
CA428862A
CA428862A CA428862A CA428862DA CA428862A CA 428862 A CA428862 A CA 428862A CA 428862 A CA428862 A CA 428862A CA 428862D A CA428862D A CA 428862DA CA 428862 A CA428862 A CA 428862A
Authority
CA
Canada
Prior art keywords
indicating means
signal system
system fault
fault indicating
signal
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
CA428862A
Other languages
French (fr)
Inventor
Herbert Wheelock 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.)
SIGNAL ENGINEERING AND MANUFACTURING Co
Original Assignee
SIGNAL ENGINEERING AND MANUFACTURING Co
Publication date
Application granted granted Critical
Publication of CA428862A publication Critical patent/CA428862A/en
Expired legal-status Critical Current

Links

CA428862A Signal system fault indicating means Expired CA428862A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA428862T

Publications (1)

Publication Number Publication Date
CA428862A true CA428862A (en) 1945-07-17

Family

ID=35543848

Family Applications (1)

Application Number Title Priority Date Filing Date
CA428862A Expired CA428862A (en) Signal system fault indicating means

Country Status (1)

Country Link
CA (1) CA428862A (en)

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