ES60149Y - School blackboard perfected - Google Patents
School blackboard perfectedInfo
- Publication number
- ES60149Y ES60149Y ES0060149U ES60149U ES60149Y ES 60149 Y ES60149 Y ES 60149Y ES 0060149 U ES0060149 U ES 0060149U ES 60149 U ES60149 U ES 60149U ES 60149 Y ES60149 Y ES 60149Y
- Authority
- ES
- Spain
- Prior art keywords
- perfected
- school blackboard
- blackboard
- school
- blackboard perfected
- 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
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES0060149U ES60149Y (en) | 1957-05-14 | 1957-05-14 | School blackboard perfected |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES0060149U ES60149Y (en) | 1957-05-14 | 1957-05-14 | School blackboard perfected |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES60149U ES60149U (en) | 1957-06-16 |
| ES60149Y true ES60149Y (en) | 1957-11-01 |
Family
ID=52702620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES0060149U Expired ES60149Y (en) | 1957-05-14 | 1957-05-14 | School blackboard perfected |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES60149Y (en) |
-
1957
- 1957-05-14 ES ES0060149U patent/ES60149Y/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES60149U (en) | 1957-06-16 |
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