CA290372A - Signal light - Google Patents

Signal light

Info

Publication number
CA290372A
CA290372A CA290372A CA290372DA CA290372A CA 290372 A CA290372 A CA 290372A CA 290372 A CA290372 A CA 290372A CA 290372D A CA290372D A CA 290372DA CA 290372 A CA290372 A CA 290372A
Authority
CA
Canada
Prior art keywords
signal light
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
CA290372A
Other languages
French (fr)
Inventor
William Nicholls Hilliard Thomas
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.)
CONNECTICUT TELEPHONE AND ELECTRIC Co
Original Assignee
CONNECTICUT TELEPHONE AND ELECTRIC Co
Publication date
Application granted granted Critical
Publication of CA290372A publication Critical patent/CA290372A/en
Expired legal-status Critical Current

Links

CA290372A Signal light Expired CA290372A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA290372T

Publications (1)

Publication Number Publication Date
CA290372A true CA290372A (en) 1929-06-11

Family

ID=35227184

Family Applications (1)

Application Number Title Priority Date Filing Date
CA290372A Expired CA290372A (en) Signal light

Country Status (1)

Country Link
CA (1) CA290372A (en)

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