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
Standard Electrica 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 SA, Standard Electrica SAfiledCriticalAlcatel Espana SA
Priority to ES0181317UpriorityCriticalpatent/ES181317U/en
Publication of ES181317UpublicationCriticalpatent/ES181317U/en
Improvements in electronic door openers, characterized for being constituted by two parts, a main one located in the outside of the building that contains all the main organs of operation and another secondary constituted by the different intercoms, to which a button has been added to drive electrically the lock. (Machine-translation by Google Translate, not legally binding)
ES0181317U1972-06-081972-06-08Improvement in electronic door openers (Machine-translation by Google Translate, not legally binding)
PendingES181317U
(en)
Improvements in, or related to, key-operated locks, which incorporate electrical switching means. (Machine-translation by Google Translate, not legally binding)