INDEXING SCHEME ASSOCIATED WITH CLASS H04, RELATING TO STANDARDS FOR ELECTRIC COMMUNICATION TECHNIQUE

Description

H04T serves as an indexing and organizational framework for standards-related content within the broader field of electric communication techniques (Class H04). This subclass does not itself cover substantive technical inventions but rather provides a structured reference system for accessing standardized specifications, protocols, and regulatory frameworks applicable to telecommunications, radio communication, and related electronic communication systems. It functions as a navigational aid for patent examiners and information specialists to locate standards documentation and cross-reference materials that support classification decisions across H04's numerous technical divisions.

Of 3 combined children, 0 exist in both systems.

3 codes are CPC-only extensions.

Note: 3 CPC extensions are marked as secondary classification only.

This code exists only in CPC.

Diff view requires codes present in both systems.

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