http://www.freshpatents.com/High-voltage-switches-with-arc-preventing-or-extinguishing-devices-dtnewntc218.php USPTO Class 218 - High-voltage switches with arc preventing or extinguishing devices en-us Mon, 30 Jan 2012 13:29:35 -0800 1000 Wednesday Thursday Friday Saturday Sunday 141 31 http://www.freshpatents.com/index.php?rss=true http://www.freshpatents.com/images/freshpatentsnav_rss.gif http://www.freshpatents.com/-dt20120126ptan20120018404.php Mon, 30 Jan 2012 13:29:35 -0800 A miniaturized direct-current switch with which power loss is reduced when establishing continuity of a direct-current path is provided. The direct-current switch includes an electronic open/close switch inserted in a direct-current path along which a direct current flows in order to make the direct-current path an open circuit or a...