USPC Class Details

Description: 984 musical instruments / 984 musical instruments/(300) electronic musical instruments {structural combinations of microphones, pick-ups, or amplifiers with musical instruments subclasses 1+, 50+, and 100+; instruments in which each note is generated by a different individually-actuated mechanical resonating structure and is amplified electrically subclasses 50+; instruments in which each note is produced by a different electrically-vibrated sounding element subclasses 100+; electronic circuits in general h03. {g10h} (301) details of electrophonic musical instruments {keyboards applicable also to other musical instruments subclasses 1+ and 50+} {g10h 1/00} (303) recording/reproducing or transmission of music for electrophonic musical instruments {g10h 1/00r} (304) in coded form {see also subclasses 375+} {g10h 1/00r2}

Hierarchy/Derived subclasses

984 / 300-> 301-> 303-> 304-> 305
    -> 306-> 307

uspto searches

Patent Apps in 984/304

Granted Patents in 984/304

Use the links above or do an advanced search in ppubs for:
(984/304.ccls. or 984/305.ccls. or 984/306.ccls. or 984/307.ccls.)

This will show what classes derive from the input. Ex: entering 43/42.24 shows the derived classes and the search that can be used to find patents or patent applications in those subclasses.
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