H04R2499/01 - CPC Classification Index

ClassID:

232223 ⎘

H04R2499/01 - CPC Classification

Classification description:

Aspects covered by or not otherwise provided for in their subgroups General technical reviews, overviews, tutorials

Recent Application in this class:

20240388860

Visual Indicator for Microphone Placement

20240089642

ELECTRONIC DEVICE WITH SEALING STRUCTURE

20230048346

Speaker and electronic device

20230020693

Electronic device with sealing structure

20150086963

Audio demonstration kit