CA80783A - Tableau noir - Google Patents

Tableau noir

Info

Publication number
CA80783A
CA80783A CA000080783A CA80783DA CA80783A CA 80783 A CA80783 A CA 80783A CA 000080783 A CA000080783 A CA 000080783A CA 80783D A CA80783D A CA 80783DA CA 80783 A CA80783 A CA 80783A
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
CA000080783A
Other languages
English (en)
Inventor
Samuel Collins
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 CA80783A publication Critical patent/CA80783A/fr
Expired legal-status Critical Current

Links

CA000080783A 1902-04-10 1902-04-10 Tableau noir Expired CA80783A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA80783T 1902-04-10

Publications (1)

Publication Number Publication Date
CA80783A true CA80783A (fr) 1903-05-05

Family

ID=45197319

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000080783A Expired CA80783A (fr) 1902-04-10 1902-04-10 Tableau noir

Country Status (1)

Country Link
CA (1) CA80783A (fr)

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