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→HistPatent Table
| | 1332054 | 63 | 112 | 153 | | | | 1920-02-24 | ISS | 1937-02-23 | | 0
Application numbers are 8 digits long (99/999999). The first two digits are a series code and the last six represent a serial code assigned by the USPTO. The histpatent table has over 3 million application numbers with 7 digits, since leading zeros were dropped. Leading zeros were also dropped for patent numbers.
patent=# SELECT COUNT(*) FROM histpatent WHERE applicationid > 9999999;
