• Patent Grant Optical Character Recognition (OCR) Text (1920 - 1979)

    Updated: Oct 29, 2014

    Contains patent grant text produced by an Optical Character Recognition (OCR) process using selected U.S. Patent Grant Image data from January 1920 through December 1979 as input. The file format is modified Patent Full-Text/APS (a.k.a., modified Green Book), ASCII text. Approx. 63 GB (compressed).

    Data and Resources

    About this Dataset

    Resource Type Dataset
    Metadata Date 12/25/1979
    Metadata Created Date Jul 20, 2013
    Metadata Updated Date Oct 29, 2014
    Reference Date(s) 01/06/1920 - 12/25/1979
    Responsible Party Unknown
    Contact Email
    Access Level public
    Data Dictionary http://www.uspto.gov/products/xml-retrospective.jsp
    Data Quality TRUE
    Frequency Of Update Weekly (Tuesday)
    Granularity City, State, Zipcode, Country
    Issued 01/06/1920
    Metadata Source dms
    References [u'http://www.uspto.gov/products/xml-retrospective.jsp']
    Spatial Text Mailing Address
    Theme [u'Section 15. Business Enterprise']

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