404. That’s an error.

The requested URL /translate_c?depth=1&hl=ja&ie=UTF8&prev=_t&rurl=translate.google.com&sl=en&tl=ja&u=http://www.google.com/patents%3Fid%3DtYUwAAAAEBAJ%26pg%3DPA3%26lpg%3DPA3%26dq%3D4829838%26source%3Dbl%26ots%3DVByzM7fVyn%26sig%3DavjlisApJmX2K07q-aKT3yW-Tlw%26hl%3Den%26sa%3DX%26ei%3DrmNLUJ20A4f49QTx74FI%26ved%3D0CDEQ6AEwAA&usg=ALkJrhj8V613w_-pcXJ5-Ikk_FL6jDmtcg was not found on this server. That’s all we know.