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.)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SAfiledCriticalAlcatel Espana SA
Priority to ES0012184UpriorityCriticalpatent/ES12184Y/en
Publication of ES12184UpublicationCriticalpatent/ES12184U/en
Application grantedgrantedCritical
Publication of ES12184YpublicationCriticalpatent/ES12184Y/en
A secret form for the reception of telegrams destined to be used with telegraphic recorder that applies marking forces to the front of the form according to the signals received by them comprising said form, two superimposed sheets, and having a section destined to receive the portion of the dispatch corresponding to the address, and another one destined to receive the text of the same, said sheets assuring one another in a way to hide, at least, the portion of their interior surfaces included within said section destined to receive the text of the dispatch, submitting one of said sheets to treatment with marker material of such nature, that the marking forces exercised by the telegraphic register on the front of the form produce legible inscription of the text of the dispatch on the inner surface of one of the sheets without inscribing the dispatch on the front of the form. (Machine-translation by Google Translate, not legally binding)
ES0012184U1945-08-021945-08-02
Improvements in forms for secret telegraphic reception.
ExpiredES12184Y
(en)
Letter paper with rectangular spaces on the margins of each page with advertising inserts. (Machine-translation by Google Translate, not legally binding)