Removable Closure Retained By Resilient Distortion Of Preformed Configuration, E.g., Detent (220/306) Patents (Class 220/FOR100)

Foreign Patent Art Collections

Interlocking means internal of passage mouth, e.g., stopper-type closure (220/307) (Class 220/FOR101)
With gasket or packing (220/308) (Class 220/FOR102)

There are no patents to show for this class.