IPC Main Group
B42D 9/00 Bookmarkers; Spot indicators; Devices for holding books open; Leaf turners
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- Subclass:
- BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
Additional Content
Reading-racks or book-rests characterised by association with leaf turners or other auxiliary devices Devices for holding books open combined with book covers
Related Keywords
BOOK(S) markersdevices for holding BOOK(S) openbook MARKERSbook-marks for READINGfacilitating READING
2 direct subcodes
Child Classifications
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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