IPC Definitions - January 01, 2012
B65D 35/44 - Definition
Attention is drawn to the following places, which may be of interest for search:
Closure members of interest apart from those used for pliable tubular containers adapted to be permanently deformed to expel contents | B65D 39/00-B65D 55/00 |
Forming closures after filling | B65B 7/14 |