Postage due detection system
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United States of America Patent
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-
Aug 24, 1999
Grant Date -
N/A
app pub date -
Nov 17, 1993
filing date -
Nov 17, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A coded postal stamp which carries machine readable indicia representative of a minimum postal denomination. The indicia may be in the form of a UPC code, special inks which can be scanned or specially placed numerals which are easily optically read. The method of the invention includes the steps of scanning postal material such as first class letters previously sorted, and detecting the presence of the coded stamp. Postal material having less than a predetermined denominational amount are rejected.
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Family
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Cited Art Landscape
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