B42F SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING (reading desks A47B19/00; book rests A47B23/00)
Introduced: September 1968
Description
B42F covers devices and methods for temporarily securing sheets of paper or similar materials together, along with associated filing and indexing systems. This includes mechanical fastening appliances such as clips, clamps, and temporary binding mechanisms that allow sheets to be assembled and disassembled without permanent alteration. The classification also encompasses file cards, card indexing systems, and organizational devices designed for information retrieval and document management, excluding permanent bookbinding methods covered under B42D.
Title
Titles differ between systems:
IPC: SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
CPC: SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING (reading desks A47B19/00; book rests A47B23/00)
Full Title
Full titles differ between systems:
SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING (reading desks A47B19/00; book rests A47B23/00)
IPC and CPC are identically structured here. All 12 subcodes exist in both systems.
9 shared codes have differing titles between IPC and CPC.
Child Classifications
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- B42F 1/00 Sheets temporarily attached together without perforating; Means therefor +2 CPC IPC+CPC Available in IPC and CPC
- B42F 11/00 Filing appliances with separate intermediate holding means (B42F17/00 takes precedence; with adhesive strips for mounting papers or sheets B42D1/10) IPC+CPC Available in IPC and CPC
- B42F 13/00 Filing appliances with means for engaging perforations or slots (B42F17/00 takes precedence; indexing features B42F21/00) +2 CPC IPC+CPC Available in IPC and CPC
- B42F 15/00 Suspended filing appliances (indexing features B42F21/00; hanging of books, newspapers or the like B42D17/00; ) +3 CPC IPC+CPC Available in IPC and CPC
- B42F 17/00 Card-filing arrangements, e.g. card indexes or catalogues or filing cabinets (indexing features B42F21/00; furniture features A47B, A47F) IPC+CPC Available in IPC and CPC
- B42F 19/00 File cards (B42F21/00 takes precedence; punched cards for information retrieval, e.g. for manual use, G06K21/00) IPC+CPC Available in IPC and CPC
- B42F 23/00 Filing appliances not provided for in other groups of this subclass since 2006 IPC+CPC Available in IPC and CPC
- B42F 3/00 Sheets temporarily attached together involving perforations; Means therefor; Sheet details therefor (staples, fasteners in general F16B) +1 CPC IPC+CPC Available in IPC and CPC
- B42F 5/00 Sheets and objects temporarily attached together; Means therefor; Albums (bookbinding aspects of albums B42D1/08; advertising or display aspects G09) +1 CPC IPC+CPC Available in IPC and CPC
- B42F 7/00 Filing appliances without fastening means (B42F17/00 takes precedence; suspension files B42F15/00; wallets, notecases, briefcases A45C, e.g. A45C1/00; furniture features A47B, A47F; envelopes B65D, e.g. B65D27/00) IPC+CPC Available in IPC and CPC
- B42F 9/00 Filing appliances with devices clamping file edges; Covers with clamping backs (B42F13/00, B42F17/00 take precedence) +3 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
Class B42,2013–2023, worldwide · Source: EPO PATSTAT
- SICPA HOLDING CH 1,317
- GIESECKE+DEVRIENT CURRENCY TECHNOLOGY DE 949
- BUNDESDRUCKEREI DE 881
- DE LA RUE INTERNATIONAL GB 870
- TOPPAN PRINTING COMPANY JP 455
- G&D (GIESECKE & DEVRIENT) DE 421
- CCL SECURE AU 343
- OVD KINEGRAM CH 308
- OBERTHUR FIDUCIAIRE FR 251
- CRANE COMPANY US 204