IPC Subgroup
A63H 33/08 provided with complementary holes, grooves, or protuberances, e.g. dovetails
Introduced: September 1968
Last revised: January 2006
Full Title
Other toys > Building blocks, strips or similar building parts > to be assembled without the use of additional elements > provided with complementary holes, grooves, or protuberances, e.g. dovetails
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- SPORTS; GAMES; AMUSEMENTS
- Subclass:
- TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
Top Applicants
Top 10 applicants by patent filingsfor class A63, 2013–2023, worldwide · Source: EPO PATSTAT
- SANKYO 23,899
- SANYO PRODUCT COMPANY 23,718
- DAIICHI SHOKAI COMPANY 13,338
- KYORAKU SANGYO 10,447
- UNIVERSAL ENTERTAINMENT CORPORATION 9,545
- SANEI R & D COMPANY 9,135
- SAMMY CORPORATION 7,126
- NEWGIN CORPORATION 5,651
- NETEASE 4,877
- HEIWA CORPORATION 3,938