DIFF Subgroup
H04R 1/1025 Accumulators specially adapted for earpieces; Arrangements specially adapted for charging thereof
Introduced: January 2026
Full Title
Full titles differ between systems:
IPC:
Details of transducers > Earpieces; Attachments therefor > Accumulators specially adapted for earpieces; Arrangements specially adapted for charging thereof
CPC:
Details of transducers, > Earpieces; Attachments therefor > Accumulators specially adapted for earpieces; Arrangements specially adapted for charging thereof
No child classifications to compare. This is a leaf node in both IPC and CPC.