SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING (reading desks A47B19/00; book rests A47B23/00)

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.

12 direct subcodes

Child Classifications

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B42F 1/00 Sheets temporarily attached together without perforating; Means therefor
B42F 11/00 Filing appliances with separate intermediate holding means (B42F17/00 takes precedence; with adhesive strips for mounting papers or sheets B42D1/10)
B42F 13/00 Filing appliances with means for engaging perforations or slots (B42F17/00 takes precedence; indexing features B42F21/00)
B42F 15/00 Suspended filing appliances (indexing features B42F21/00; hanging of books, newspapers or the like B42D17/00; )
B42F 17/00 Card-filing arrangements, e.g. card indexes or catalogues or filing cabinets (indexing features B42F21/00; furniture features A47B, A47F)
B42F 19/00 File cards (B42F21/00 takes precedence; punched cards for information retrieval, e.g. for manual use, G06K21/00)
B42F 21/00 Indexing means; Indexing tabs or protectors therefor
B42F 23/00 Filing appliances not provided for in other groups of this subclass
B42F 3/00 Sheets temporarily attached together involving perforations; Means therefor; Sheet details therefor (staples, fasteners in general F16B)
B42F 5/00 Sheets and objects temporarily attached together; Means therefor; Albums (bookbinding aspects of albums B42D1/08; advertising or display aspects G09)
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)
B42F 9/00 Filing appliances with devices clamping file edges; Covers with clamping backs (B42F13/00, B42F17/00 take precedence)

Top Applicants

Top 10 applicants by patent filingsfor 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