CA230476A - Signal lamp - Google Patents

Signal lamp

Info

Publication number
CA230476A
CA230476A CA230476A CA230476DA CA230476A CA 230476 A CA230476 A CA 230476A CA 230476 A CA230476 A CA 230476A CA 230476D A CA230476D A CA 230476DA CA 230476 A CA230476 A CA 230476A
Authority
CA
Canada
Prior art keywords
signal lamp
lamp
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
CA230476A
Other languages
French (fr)
Inventor
A. Christofferson Christian
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
Publication date
Application granted granted Critical
Publication of CA230476A publication Critical patent/CA230476A/en
Expired legal-status Critical Current

Links

CA230476A Signal lamp Expired CA230476A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA230476T

Publications (1)

Publication Number Publication Date
CA230476A true CA230476A (en) 1923-04-24

Family

ID=35127849

Family Applications (1)

Application Number Title Priority Date Filing Date
CA230476A Expired CA230476A (en) Signal lamp

Country Status (1)

Country Link
CA (1) CA230476A (en)

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