发明名称 Mailbox letter canceler
摘要 A mail canceling device which has at least one canceling die roller pair behind a mail receiving slot therein to cancel the mail as it is inserted into the mailbox. The one or more pairs of rollers can include postmark applying segments as well as canceling dies. The rollers can be provided along opposite edges of the slot. A finger space is positioned centrally in the slot and between the rollers so that the mailer's finger can be used to assure that the envelope or postcard passes completely through the rollers and falls into the storage portion of the mailbox.
申请公布号 US4282809(A) 申请公布日期 1981.08.11
申请号 US19790064718 申请日期 1979.08.08
申请人 STEWART, VERNON 发明人 STEWART, VERNON
分类号 A47G29/12;B41K3/12;B41K3/60;B41K3/64;G07B17/00;(IPC1-7):B41F5/00;B41F31/22 主分类号 A47G29/12
代理机构 代理人
主权项
地址