IPC Subgroup
C03B 27/048 on a gas cushion
Introduced: January 1990
Last revised: January 2006
Full Title
Tempering glass products > using gas > for flat or bent glass sheets being in a horizontal position > on a gas cushion
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- GLASS; MINERAL OR SLAG WOOL
- Subclass:
- MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL; SUPPLEMENTARY PROCESSES IN THE MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL