IPC Subgroup
G10K 11/162 Selection of materials
Introduced: January 1995
Last revised: January 2006
Full Title
Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general > Methods or devices for protecting against, or for damping, noise or other acoustic waves in general > Selection of materials
Classification Context
- Section:
- PHYSICS
- Class:
- MUSICAL INSTRUMENTS; ACOUSTICS
- Subclass:
- SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
2 direct subcodes
Child Classifications
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- G10K 11/165 Particles in a matrix
- G10K 11/168 Plural layers of different materials, e.g. sandwiches