CA934300A - Signalling system - Google Patents

Signalling system

Info

Publication number
CA934300A
CA934300A CA130303A CA130303A CA934300A CA 934300 A CA934300 A CA 934300A CA 130303 A CA130303 A CA 130303A CA 130303 A CA130303 A CA 130303A CA 934300 A CA934300 A CA 934300A
Authority
CA
Canada
Prior art keywords
signalling system
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
CA130303A
Other versions
CA130303S (en
Inventor
N. Busch Theodore
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CA130303A priority Critical patent/CA934300A/en
Application granted granted Critical
Publication of CA934300A publication Critical patent/CA934300A/en
Expired legal-status Critical Current

Links

CA130303A 1971-12-16 1971-12-16 Signalling system Expired CA934300A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA130303A CA934300A (en) 1971-12-16 1971-12-16 Signalling system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA130303A CA934300A (en) 1971-12-16 1971-12-16 Signalling system

Publications (1)

Publication Number Publication Date
CA934300A true CA934300A (en) 1973-09-25

Family

ID=4091796

Family Applications (1)

Application Number Title Priority Date Filing Date
CA130303A Expired CA934300A (en) 1971-12-16 1971-12-16 Signalling system

Country Status (1)

Country Link
CA (1) CA934300A (en)

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