B41J 21/00 Column, tabular or like printing arrangements; Means for centralising short lines (carriage-release mechanisms B41J19/66)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Column, tabular or like printing arrangements; Means for centralising short lines
CPC: Column, tabular or like printing arrangements; Means for centralising short lines (carriage-release mechanisms B41J19/66)
Full Title
Full titles differ between systems:
Column, tabular or like printing arrangements; Means for centralising short lines
Column, tabular or like printing arrangements; Means for centralising short lines (carriage-release mechanisms B41J19/66)
Additional Content IPC
Carriage-release mechanisms
IPC and CPC are identically structured here. All 10 subcodes exist in both systems.
Child Classifications
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- B41J 21/08 Mechanisms for initiating, effecting, skipping, or stopping tabulation movement; Means for centralising short lines IPC+CPC Available in IPC and CPC
- B41J 21/10 with central, counter, or equivalent stop projected into path of tabulation stops IPC+CPC Available in IPC and CPC
- B41J 21/16 controlled by the sensing of marks or formations on the paper being typed, an undersheet, or the platen IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class B41,2013–2023, worldwide · Source: EPO PATSTAT
- SEIKO EPSON CORPORATION 14,672
- CANON 14,153
- RICOH COMPANY 8,049
- SEIKO EPSON CORPORATION JP 8,044
- HEWLETT-PACKARD DEVELOPMENT COMPANY US 7,312
- BROTHER INDUSTRIES 6,887
- KYOCERA DOCUMENT SOLUTIONS 5,463
- CANON JP 5,001
- KONICA MINOLTA CORPORATION 4,512
- BROTHER INDUSTRIES JP 3,681
Top Applicants (CPC)
Class B41,2013–2023, worldwide · Source: EPO PATSTAT
- SEIKO EPSON CORPORATION 8,446
- SEIKO EPSON CORPORATION JP 8,438
- HEWLETT-PACKARD DEVELOPMENT COMPANY US 7,828
- CANON JP 5,419
- CANON 4,156
- BROTHER INDUSTRIES JP 3,763
- BROTHER INDUSTRIES 2,779
- RICOH COMPANY JP 2,717
- FUJIFILM JP 2,423
- RICOH COMPANY 1,739