ES21557Y - Morse school telegraph for educational purposes. - Google Patents
Morse school telegraph for educational purposes.Info
- Publication number
- ES21557Y ES21557Y ES0021557U ES21557U ES21557Y ES 21557 Y ES21557 Y ES 21557Y ES 0021557 U ES0021557 U ES 0021557U ES 21557 U ES21557 U ES 21557U ES 21557 Y ES21557 Y ES 21557Y
- Authority
- ES
- Spain
- Prior art keywords
- morse
- telegraph
- school
- educational purposes
- educational
- 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 |
---|---|---|---|
ES0021557U ES21557Y (en) | 1949-11-30 | 1949-11-30 | Morse school telegraph for educational purposes. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES0021557U ES21557Y (en) | 1949-11-30 | 1949-11-30 | Morse school telegraph for educational purposes. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES21557U ES21557U (en) | 1950-01-01 |
ES21557Y true ES21557Y (en) | 1950-05-16 |
Family
ID=51085475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES0021557U Expired ES21557Y (en) | 1949-11-30 | 1949-11-30 | Morse school telegraph for educational purposes. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES21557Y (en) |
-
1949
- 1949-11-30 ES ES0021557U patent/ES21557Y/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES21557U (en) | 1950-01-01 |
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