DIFF Subgroup
E05F 1/04 for wings which lift during movement
Introduced: September 1968
Full Title
Closers or openers for wings, not otherwise provided for in this subclass > gravity-actuated > for wings which lift during movement
CPC subdivides this area 3x more granularly than IPC with 2 additional codes.
2 codes are CPC-only extensions.
Child Classifications
Navigate with arrow keys, Enter to open
- E05F 1/06 Mechanisms in the shape of hinges or pivots, operated by the weight of the wing +2 CPC IPC+CPC Available in IPC and CPC