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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Documentos Transkrit SA
Original Assignee
Documentos Transkrit SA
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Filing date
Publication date
Application filed by Documentos Transkrit SAfiledCriticalDocumentos Transkrit SA
Priority to ES9000926ApriorityCriticalpatent/ES2022004A6/en
Publication of ES2022004A6publicationCriticalpatent/ES2022004A6/en
These are improvements in the formation of letter envelopes which, taking as base element a sheet 10 which may be supplied continuously or in the form of independent sheets, has longitudinal lines of adhesive and is converted into an envelope by means of successive folds, its central area having a window through which the address can be viewed, the address being printed on one of the elements incorporated inside the envelope, such as the return envelope, the reply card or the identity card.
ES9000926A1990-03-301990-03-30Improvements to the formation of letter envelopes
Expired - Fee RelatedES2022004A6
(en)