Compartmented Container Patents (Class 220/500)
- Flexible partition provides a variable volume (Class 220/530)
- Hinged partition (Class 220/531)
- Vertical partition received in groove or notch in the container (Class 220/532)
- Vertical partition horizontally slidable (Class 220/534)
- Extendable partition (Class 220/551)
- Intersecting partitions (Class 220/552)