CA335937A - Light signal - Google Patents

Light signal

Info

Publication number
CA335937A
CA335937A CA335937A CA335937DA CA335937A CA 335937 A CA335937 A CA 335937A CA 335937 A CA335937 A CA 335937A CA 335937D A CA335937D A CA 335937DA CA 335937 A CA335937 A CA 335937A
Authority
CA
Canada
Prior art keywords
light signal
light
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
CA335937A
Other languages
French (fr)
Inventor
W. Moore Edmund
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 CA335937A publication Critical patent/CA335937A/en
Expired legal-status Critical Current

Links

CA335937A Light signal Expired CA335937A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA335937T

Publications (1)

Publication Number Publication Date
CA335937A true CA335937A (en) 1933-09-26

Family

ID=35299079

Family Applications (1)

Application Number Title Priority Date Filing Date
CA335937A Expired CA335937A (en) Light signal

Country Status (1)

Country Link
CA (1) CA335937A (en)

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