CA131996A - Appareil a signaux - Google Patents

Appareil a signaux

Info

Publication number
CA131996A
CA131996A CA000131996A CA131996DA CA131996A CA 131996 A CA131996 A CA 131996A CA 000131996 A CA000131996 A CA 000131996A CA 131996D A CA131996D A CA 131996DA CA 131996 A CA131996 A CA 131996A
Authority
CA
Canada
Prior art keywords
signalling apparatus
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
CA000131996A
Other languages
English (en)
Inventor
Charles L. Parker
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
Application granted granted Critical
Publication of CA131996A publication Critical patent/CA131996A/fr
Expired legal-status Critical Current

Links

CA000131996A 1909-12-30 1909-12-30 Appareil a signaux Expired CA131996A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA131996T 1909-12-30

Publications (1)

Publication Number Publication Date
CA131996A true CA131996A (fr) 1911-03-28

Family

ID=45251716

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000131996A Expired CA131996A (fr) 1909-12-30 1909-12-30 Appareil a signaux

Country Status (1)

Country Link
CA (1) CA131996A (fr)

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