MCF patent application (patent application sequence)

Patent and patent application classification information (current) available bimonthly (odd months) (patent classification products)

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Classification Standards and Development (CSD) maintains the patent classification systems.
Current U.S. classification information for all patent applications (non-provisional utility and plant) published by the USPTO from March 15, 2001 to present. Approx. 450 main divisions of technology, called classifications/classes, broken into approx. 150,000 subdivisions, called subclassifications/subclasses. Provided in published patent application number sequence with the current U.S. original classification/subclassification and any cross-reference classification/subclassifications with the format of ASCII text.
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2021-03-22   Download (35.63 MB)

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