CA255803A - Signalling device - Google Patents

Signalling device

Info

Publication number
CA255803A
CA255803A CA255803A CA255803DA CA255803A CA 255803 A CA255803 A CA 255803A CA 255803 A CA255803 A CA 255803A CA 255803D A CA255803D A CA 255803DA CA 255803 A CA255803 A CA 255803A
Authority
CA
Canada
Prior art keywords
signalling device
signalling
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
CA255803A
Other languages
French (fr)
Inventor
Johnson Scofield Theodore
Elmer Johnson Lloyd
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 CA255803A publication Critical patent/CA255803A/en
Expired legal-status Critical Current

Links

CA255803A Signalling device Expired CA255803A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA255803T

Publications (1)

Publication Number Publication Date
CA255803A true CA255803A (en) 1925-11-24

Family

ID=35164353

Family Applications (1)

Application Number Title Priority Date Filing Date
CA255803A Expired CA255803A (en) Signalling device

Country Status (1)

Country Link
CA (1) CA255803A (en)

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