Invention Grant
US09536356B2 Methods and systems for using multiple permanent postage rates in mailing machines 有权
在邮寄机上使用多种永久邮资的方法和系统

Methods and systems for using multiple permanent postage rates in mailing machines
Abstract:
A mailing machine that provides for permanent postage is described. Postage may be purchased at one point of time at a then prevailing rate and used in the future at the same effective purchasing power even if a new more expensive rate schedule is in effect. The mailing machine provides for the accounting of such rate purchased postage using a Postal Security Device and may include multiple rate-table based accounts each associated with a particular postage rate table.
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