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.)
Individual
Original Assignee
Individual
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 IndividualfiledCriticalIndividual
Priority to ES0272970ApriorityCriticalpatent/ES272970A3/en
Publication of ES272970A3publicationCriticalpatent/ES272970A3/en
"IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF BALLPOINTS", characterized by the coupling in the interior of the cap or upper body of the ballpoint pen, of a mechanism for retention and expulsion of the writing element, integral with a set of pushbuttons housed in the same cap. (Machine-translation by Google Translate, not legally binding)
ES0272970A1961-12-141961-12-14Improvements introduced in the manufacture of ballpoints (Machine-translation by Google Translate, not legally binding)
ExpiredES272970A3
(en)