IPC Subgroup
G10C 3/23 with hammers mounted above the strings, striking downwards
Introduced: January 2019
Full Title
Details or accessories > Actions > specially adapted for grand pianos > with hammers mounted above the strings, striking downwards
Classification Context
- Section:
- PHYSICS
- Class:
- MUSICAL INSTRUMENTS; ACOUSTICS
- Subclass:
- PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS