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.)
HEINRICH RICHTER STANISLAUS
Original Assignee
HEINRICH RICHTER STANISLAUS
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 HEINRICH RICHTER STANISLAUSfiledCriticalHEINRICH RICHTER STANISLAUS
Priority to ES0008695UpriorityCriticalpatent/ES8695Y/en
Publication of ES8695UpublicationCriticalpatent/ES8695U/en
Application grantedgrantedCritical
Publication of ES8695YpublicationCriticalpatent/ES8695Y/en
A permanent envelope for letters formed from a bag opened on one side with an address window for the recipient on the front face and an aeration window for the sender on the back face and a letter cover insertible in the bag with address fields arranged in pairs for the recipient and the sender on both sides and in such distribution in relation to the windows of the bag, that in any position of the cover entered, only the address field subordinate to the window is seen, while the other It is hidden by the wall of the bag. (Machine-translation by Google Translate, not legally binding)
ES0008695U1943-06-231943-06-23
Permanent envelope for letters.
ExpiredES8695Y
(en)
Procedure for the manufacture of envelopes or inviolable sheets for correspondence and other uses (Machine-translation by Google Translate, not legally binding)