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.)
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Individual
Original Assignee
Individual
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Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to ES0239714ApriorityCriticalpatent/ES239714A1/en
Publication of ES239714A1publicationCriticalpatent/ES239714A1/en
Accessory Devices And Overall Control Thereof
(AREA)
Document Processing Apparatus
(AREA)
Abstract
Procedure for obtaining hidden impressions, which aims to avoid possible fraud by manipulators and intermediaries, in vouchers, coupons, vouchers, lottery numbers or any other means given by commercial houses as propaganda, and consists of printing of those with a special ink and covering this in turn by another printing also of special ink so that it remains incognito the text. (Machine-translation by Google Translate, not legally binding)
ES0239714A1958-01-221958-01-22A procedure for obtaining hidden prints (Machine-translation by Google Translate, not legally binding)
ExpiredES239714A1
(en)