Method and apparatus for verifying postage
US4649266A · kind A · utility
108Cited by
11References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 12, 1984 |
| Grant date | Mar 10, 1987 |
| Priority date | — |
| Expiry date | Mar 12, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07B2017/0083
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
Indicia having an encrypted number that is stamped upon a mail piece representative of postage so as to provide a code for authentication of such postage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.