15 мар. 2016 г. · IPC - International Patent Classification. - CPC - Cooperative Patent Classification. - IPC based on international treaty: Strassbourg ...

The International Patent Classification (IPC), established by the Strasbourg Agreement 1971, provides for a hierarchical system of language independent symbols

The Cooperative Patent Classification (CPC) is an extension of the IPC and is jointly managed by the EPO and the US Patent and Trademark Office.

Discordance from IPC. CPC. COOPERATIVE PATENT CLASSIFICATION. A · HUMAN NECESSITIES · B · PERFORMING OPERATIONS; TRANSPORTING · C · CHEMISTRY; METALLURGY · D.

The Cooperative Patent Classification (CPC) system, in force from 1 January 2013, is a bilateral system which has been jointly developed by the EPO and the ...

This subclass covers instruments, implements and processes for diagnostic, surgical and person-identification purposes, including obstetrics, instruments for ...

The CPC is based on the IPC and consists of: all IPC symbols; a main trunk of CPC symbols; a 2000 series of indexing codes for additional information. The CPC ...

3 авг. 2022 г. · A - Human necessities · B - Performing operations; transporting · C - Chemistry; metallurgy · D - Textiles; paper · E - Fixed constructions · F - ...

30 авг. 2024 г. · The Cooperative Patent Classification (CPC) is based on the IPC but gives a more specific level of detail. It is jointly managed by the EPO and ...