technical-data field-of-search 

<field-of-search>
  <classification-national country="US"><text>435234</text></classification-national>
</field-of-search>

technical-data/field-of-search 

Field of search indicates the classes/subclasses the examiner searched when examining the patent.

Element

INID

Description (delivered unformatted, either as single items or as ranges, as received from the USPTO)

classification-ipc

58

IPC Classes

classifications-ipcr58IPCR Classes

classification-national

58

US Classes

classifications-cpc

 

CPC Classes
classification-locarno Locarno Classes