ClassID:

134668

E06B3/921 - CPC Classification

Classification description:

Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings ; Features of rigidly-mounted outer frames relating to the mounting of wing frames; Doors or windows extensible when set in position with several parts mounted telescopically inside each other

Recent Application in this class: