发明名称 Frangible Envelope Portion with Tear Line
摘要 Disclosed is to an easy-open envelope having a tear-line located within a length of the envelope's seam fastened to frangible portions of the envelope created by strategically placed perforations creating an envelope mailer with an integral opener that eliminates the need for using a knife or letter opener potentially damaging the envelope contents or using a finger which leaves the envelope ragged.
申请公布号 US2008223914(A1) 申请公布日期 2008.09.18
申请号 US20070685746 申请日期 2007.03.13
申请人 CHOI JONG HAK 发明人 CHOI JONG HAK
分类号 B65D27/38 主分类号 B65D27/38
代理机构 代理人
主权项
地址