CA301503A - Warning signal - Google Patents

Warning signal

Info

Publication number
CA301503A
CA301503A CA301503A CA301503DA CA301503A CA 301503 A CA301503 A CA 301503A CA 301503 A CA301503 A CA 301503A CA 301503D A CA301503D A CA 301503DA CA 301503 A CA301503 A CA 301503A
Authority
CA
Canada
Prior art keywords
warning signal
warning
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
CA301503A
Other languages
French (fr)
Inventor
Sparks William
W. Billig Fred.
J. Scofield Theodore
C. Gregoroff Asen
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.)
Sparks Withington Co
Original Assignee
Sparks Withington Co
Publication date
Application granted granted Critical
Publication of CA301503A publication Critical patent/CA301503A/en
Expired legal-status Critical Current

Links

CA301503A Warning signal Expired CA301503A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA301503T

Publications (1)

Publication Number Publication Date
CA301503A true CA301503A (en) 1930-06-24

Family

ID=35254649

Family Applications (1)

Application Number Title Priority Date Filing Date
CA301503A Expired CA301503A (en) Warning signal

Country Status (1)

Country Link
CA (1) CA301503A (en)

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