DIFF Subgroup
A47J 27/092 Devices for automatically releasing pressure before opening
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Cooking-vessels > Pressure cookers; Lids or locking devices specially adapted therefor > Safety devices > Devices for automatically releasing pressure before opening
CPC:
Cooking-vessels (A47J29/00 - A47J33/00 take precedence) > Pressure-cookers; Lids or locking devices specially adapted therefor > Safety devices > Devices for automatically releasing pressure before opening
No child classifications to compare. This is a leaf node in both IPC and CPC.