Baseboards, masking frames, or other holders for the sensitive material (G03B27/53 takes precedence )

Introduced: September 1968

Title

Titles differ between systems:

IPC: Baseboards, masking frames, or other holders for the sensitive material

CPC: Baseboards, masking frames, or other holders for the sensitive material (G03B27/53 takes precedence )

Full Title

Full titles differ between systems:

IPC:

Photographic printing apparatus > Projection printing apparatus, e.g. enlarger, copying camera > Details > Baseboards, masking frames, or other holders for the sensitive material

CPC:

Photographic printing apparatus > Projection printing apparatus, e.g. enlarger, copying camera > Details > Baseboards, masking frames, or other holders for the sensitive material (G03B27/53 takes precedence )

CPC subdivides this area 6x more granularly than IPC with 5 additional codes.

5 codes are CPC-only extensions.

Child Classifications

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G03B 27/581 CPC only CPC only
G03B 27/582 CPC only CPC only
G03B 27/583 CPC only CPC only
G03B 27/585 +1 CPC CPC only CPC only
G03B 27/587 +1 CPC CPC only CPC only
G03B 27/60 using a vacuum or fluid pressure IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class G03,2013–2023, worldwide · Source: EPO PATSTAT

CANON 31,416
CANON JP 17,469
KYOCERA DOCUMENT SOLUTIONS 9,845
RICOH COMPANY 9,807
ASML NETHERLANDS NL 9,427
FUJIFILM JP 7,225
KONICA MINOLTA CORPORATION 7,216
FUJI XEROX COMPANY 5,711
CARL ZEISS SMT DE 4,971
RICOH COMPANY JP 4,123

Top Applicants (CPC)

Class G03,2013–2023, worldwide · Source: EPO PATSTAT

CANON JP 19,215
CANON 12,916
ASML NETHERLANDS NL 10,000
FUJIFILM JP 7,814
SAMSUNG ELECTRONICS COMPANY KR 5,181
CARL ZEISS SMT DE 5,079
RICOH COMPANY JP 4,343
LG INNOTEK COMPANY KR 4,054
KYOCERA DOCUMENT SOLUTIONS 3,812
KYOCERA DOCUMENT SOLUTIONS JP 3,682