Doors or windows extensible when set in position (foldable wings E06B3/48; sliding wings for windows E06B3/42; wall-closing devices which may be rolled up, e.g. shutters, E06B9/11 )

Introduced: September 1968

Title

Titles differ between systems:

IPC: Doors or windows extensible when set in position

CPC: Doors or windows extensible when set in position (foldable wings E06B3/48; sliding wings for windows E06B3/42; wall-closing devices which may be rolled up, e.g. shutters, E06B9/11 )

Full Title

Full titles differ between systems:

IPC:

CPC:

Window sashes, door leaves, or like elements for closing openings; Layout of fixed or moving closures, e.g. windows ; Features of rigidly-mounted outer frames relating to the mounting of wing frames (E06B5/00 takes precedence; shutters or the like E06B9/00; glass panes C03) > Doors or windows extensible when set in position (foldable wings E06B3/48; sliding wings for windows E06B3/42; wall-closing devices which may be rolled up, e.g. shutters, E06B9/11 )

CPC subdivides this area 5x more granularly than IPC with 4 additional codes.

4 codes are CPC-only extensions.

Child Classifications

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E06B 3/921 CPC only CPC only
E06B 3/922 +1 CPC CPC only CPC only
E06B 3/925 +1 CPC CPC only CPC only
E06B 3/928 CPC only CPC only
E06B 3/94 Doors of the bellows type IPC+CPC Available in IPC and CPC