CA53126A - Blackboard - Google Patents
BlackboardInfo
- Publication number
- CA53126A CA53126A CA000053126A CA53126DA CA53126A CA 53126 A CA53126 A CA 53126A CA 000053126 A CA000053126 A CA 000053126A CA 53126D A CA53126D A CA 53126DA CA 53126 A CA53126 A CA 53126A
- 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
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA53126T | 1896-06-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA53126A true CA53126A (en) | 1896-08-05 |
Family
ID=45169665
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000053126A Expired CA53126A (en) | 1896-06-29 | 1896-06-29 | Blackboard |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA53126A (en) |
-
1896
- 1896-06-29 CA CA000053126A patent/CA53126A/en not_active Expired
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