IPA patent 4.2.3-other-classification-information — IP Australia Patent Manual of Practice and Procedure – 4.2.3 Other Classification Information

Also in this Chapter: 4.2.1 Patent Classification Systems 4.2.2 Principles of Classification Sub-chapters: 4.2.3.1 Sub-Codes - Discontinued 4.2.3.2 The Australian Classification System - Discontinued 4.2.3.3 Indexing According to IPC Edition (2006) - Discontinued 4.2.3.4 Master Classification Database (MDC) 4.2.3.5 Recording Classification Symbols on Machine-Readable Records 4.2.3.6 Presentation of Classification Symbols and Indexing Codes on Patent Documents