CA184102A - Tableau noir - Google Patents

Tableau noir

Info

Publication number
CA184102A
CA184102A CA000184102A CA184102DA CA184102A CA 184102 A CA184102 A CA 184102A CA 000184102 A CA000184102 A CA 000184102A CA 184102D A CA184102D A CA 184102DA CA 184102 A CA184102 A CA 184102A
Authority
CA
Canada
Prior art keywords
blackboard
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
CA000184102A
Other languages
English (en)
Inventor
Thomas G. Craighead
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 CA184102A publication Critical patent/CA184102A/fr
Expired legal-status Critical Current

Links

CA000184102A 1917-11-05 1917-11-05 Tableau noir Expired CA184102A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA184102T 1917-11-05

Publications (1)

Publication Number Publication Date
CA184102A true CA184102A (fr) 1918-05-07

Family

ID=45303754

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000184102A Expired CA184102A (fr) 1917-11-05 1917-11-05 Tableau noir

Country Status (1)

Country Link
CA (1) CA184102A (fr)

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