![]() ![]() 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 or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US191154A Inventor Claesson Per Harry Elias Johansson Karl Lennart Current Assignee (The listed assignees may be inaccurate. Google Patents Capacity actuated burglar alarmÄownload PDF Info Publication number US2640978A US2640978A US191154A US19115450A US2640978A US 2640978 A US2640978 A US 2640978A US 191154 A US191154 A US 191154A US 19115450 A US19115450 A US 19115450A US 2640978 A US2640978 A US 2640978A Authority US United States Prior art keywords relay current motor contact tube Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US2640978A - Capacity actuated burglar alarm ![]() US2640978A - Capacity actuated burglar alarm ![]()
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