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Brief Description/Derivation: IPC data
Detailed Description: International Patent Classification (IPC) data for patents other than designs, or the Locarno Classification (LC) for design patents. Contains the main IPC (LC), an optional further IPC (LC), and the IPC (LC) edition number.
Content Model:
(B511,B512*,B516)
Parent(s):
Attributes: None
Tag Minimization: Both the start- and end-tags are required for this element.
Markup Instructions: In U.S. documents other than design patents, the IPC is formatted as fixed-length records as: column 1 (Section alphabetic), columns 2 - 3 (Class numeric), column 4 (Subclass alphabetic), columns 5 - 7 (Group alphanumeric, right justified, leading spaces), columns 8 + (Subgroup Up to 7 alphanumeric). In U.S. documents which are design patents, the Locarno Classification (LC) is formatted as fixed-length records as: columns 1 - 2 (Class numeric, right justified, leading zeros), columns 3 - 4 (Subclass numeric, right justified, leading zeros).
Example Text:
<B510> <B511><PDAT>C07D48704</PDAT></B511> <B512><PDAT>C07D49804</PDAT></B512> <B512><PDAT>C07D51304</PDAT></B512> <B516><PDAT>6</PDAT></B516> </B510>
Example Image:
