involving the combination of more than one step according to groups G03G13/02 - G03G13/20 (G03G15/01 takes precedence)

Child Classifications

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• G03G 15/221 +3 CPC CPC only CPC only
• G03G 15/225 CPC only CPC only
• G03G 15/226 +1 CPC CPC only CPC only
• G03G 15/228 CPC only CPC only
• G03G 15/23 specially adapted for copying both sides of an original or for copying on both sides of a recording or image-receiving material since 1995 +1 CPC IPC+CPC Available in IPC and CPC
• G03G 15/24 whereby at least two steps are performed simultaneously since 1974 IPC+CPC Available in IPC and CPC
• G03G 15/26 in which the charge pattern is obtained by projection of the entire image, i.e. whole-frame projection (G03G15/04 takes precedence) since 1974 +2 CPC IPC+CPC Available in IPC and CPC
• G03G 15/28 in which projection is obtained by line scanning (G03G15/04 takes precedence) since 1974 +2 CPC IPC+CPC Available in IPC and CPC
• G03G 15/32 in which the charge pattern is formed dotwise, (G03G15/04, G03G15/05, G03G15/34 take precedence) since 1974 +2 CPC IPC+CPC Available in IPC and CPC
• G03G 15/34 in which the powder image is formed directly on the recording material since 1995 +2 CPC IPC+CPC Available in IPC and CPC