ES19223U - Children's table, to add and subtract. (Machine-translation by Google Translate, not legally binding) - Google Patents
Children's table, to add and subtract. (Machine-translation by Google Translate, not legally binding)Info
- Publication number
- ES19223U ES19223U ES0019223U ES19223U ES19223U ES 19223 U ES19223 U ES 19223U ES 0019223 U ES0019223 U ES 0019223U ES 19223 U ES19223 U ES 19223U ES 19223 U ES19223 U ES 19223U
- Authority
- ES
- Spain
- Prior art keywords
- translation
- add
- machine
- legally binding
- google translate
- 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.)
- Granted
Links
Landscapes
- Drawing Aids And Blackboards (AREA)
- Sheet Holders (AREA)
Abstract
CHILD TABLE TO ADD AND REST, indistinctly, which consists of a reglilla that has been marked on one of its edges a number of strokes correlatively numbered (the strokes, not the spaces) from left to right from one. To the left of the one there is a zero, without any trace. Another similar ruler has a piece of cardboard stuck on one of the edges, and on it, lines arranged as in the previous rule. By sliding the second rule over the first one, it partially covers the strokes of it and allows us to carry out the operations. (Machine-translation by Google Translate, not legally binding)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES0019223U ES19223Y (en) | 1949-01-21 | 1949-01-21 | Children's table, to add and subtract. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES0019223U ES19223Y (en) | 1949-01-21 | 1949-01-21 | Children's table, to add and subtract. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES19223U true ES19223U (en) | 1949-02-16 |
ES19223Y ES19223Y (en) | 1949-08-01 |
Family
ID=51083187
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES0019223U Expired ES19223Y (en) | 1949-01-21 | 1949-01-21 | Children's table, to add and subtract. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES19223Y (en) |
-
1949
- 1949-01-21 ES ES0019223U patent/ES19223Y/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES19223Y (en) | 1949-08-01 |
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