B31B2219/9051 - CPC Classification Index

ClassID:

55115 ⎘

B31B2219/9051 - CPC Classification

Classification description:

Sub-classes:

B31B2219/9054 » Applying rigid valves, spouts, or filling tubes 20
B31B2219/9058 » Forming valves integral with the bags 2
B31B2219/9067 » Applying patches or flexible valve inserts, e.g. involving making of the inserts 1

Recent Application in this class:

20140263292

Hermetic microwavable package with automatically opening steam vent

20140161373

Bottom-gusseted package and method