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<classification-locarno> <main-classification load-source="patent-office">0202</main-classification> </classification-locarno> |
US Design only and for those prepared for issue after June 30, 1996 include Locarno International Classification.
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Element | INID | Description |
|---|---|---|
main-classification | 52 | The format for all US classes is zero-filled to a 3-character class and 3-character subclass. Characters following those 6 numbers are not zero-filled, and non-significant trailing zeros are removed. There is no punctuation present. Slashes and decimal points can be easily inferred for display purposes. |
further-classification | 53 | See the format description above. |
text |
| In certain data parsing errors, the structure of the classification as delivered in the raw data cannot be established. In these cases, the raw classification data is output in the child: text |
| Note |
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As of 21052015, the USPTO has transitioned from using the over 100-year-old U.S. Patent Classification (USPC) system to the Cooperative Patent Classification (CPC), a new classification system jointly developed with the European Patent Office (EPO). The USPTO currently only uses CPC for classifying new utility patent documents; however, it will continue to use U.S. Patent Classification for classifying design and plant patents. |
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Attribute | Description |
|---|---|
Scheme | Indicates when the ECLA code is based on the European Classification System (EC) or is an internal EPO classification (ICO=In Computer Only). Other scheme values are IDT (= Indeling der Techniek), an old Dutch Patent Classification scheme, and ECNO, which indicates ECLA symbols that have been allocated to a document by a patent examiner who does not work for the EPO. |
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