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Uspc dating codes

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Patenting activity in the NAICS industry categories has been determined by the primary U. Patent Classification System (USPC) classification assigned to each patent and a USPC to NAICS concordance.

Approximately 121 MB (compressed) per bimonthly file.

Available six times a year for no charge: or U. classification information for all patent grants issued by the USPTO from 1790 to current calendar year. classification/subclassification (original and cross reference) followed by patent grant number. Available on or before the 15th of each odd month and contains data through the end of the previous even month.

This report presents various tables that display patenting activity by NAICS category, state and country of origin, ownership category, and first-named assignee (assigned owner).

The report tables count patents in two ways, using a "fractional count" method and a "whole count" method that are discussed in more detail in a separate section, below.

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Contains daily (front file) patent assignment text (no drawings/images) derived from patent assignment recordations. grant issue date, maintenance fee event entry date, and maintenance fee event code. Within each weekly zip file is: Maint Fee Events_where "yyyymmdd" is a Monday.