IPC Main Group
B42F 17/00 Card-filing arrangements, e.g. card indexes or catalogues or filing cabinets
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- Subclass:
- SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
Related Keywords
filing- CABINET(S)filing arrangements for CARD(S)indexes of filing arrangements for CARD(S)card INDEXESRACKS for filing purposesTRAY(S) for filing papers or cards
6 direct subcodes
Child Classifications
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- B42F 17/02 in which the cards are stored substantially at right angles to the bottom of their containers
- B42F 17/18 in which the cards are stored in a flat position
- B42F 17/28 in the form of endless bands or revolving drums
- B42F 17/3 modified for particular uses
- B42F 17/32 with means for staggering cards already in the file
- B42F 17/34 with card-selection means, e.g. telephone-number list finders
Top Applicants
Top 10 applicants by patent filingsfor class B42, 2013–2023, worldwide · Source: EPO PATSTAT
- GIESECKE+DEVRIENT CURRENCY TECHNOLOGY DE 898
- BUNDESDRUCKEREI DE 865
- DE LA RUE INTERNATIONAL GB 810
- SICPA HOLDING CH 784
- DNP (DAINIPPON PRINTING COMPANY) 634
- TOPPAN PRINTING COMPANY 486
- TOPPAN PRINTING COMPANY JP 411
- G&D (GIESECKE & DEVRIENT) DE 398
- CCL SECURE AU 334
- NATIONAL PRINTING BUREAU 313