ClassID:

28233

A63H33/088 - CPC Classification

Classification description:

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 with holes

Recent Application in this class:
#1
20260138044
2026-05-21

MODULAR TOY BUILDING TILE SYSTEM WITH MULTIPLE CONNECTIONS

#2
20260115616
2026-04-30

CONNECTING STRUCTURES IN A MODULAR CONSTRUCTION KIT

#3
20260034466
2026-02-05

MODULAR AIRFOIL SYSTEM

#4
20260021423
2026-01-22

Wooden Building Block Structure

#5
20260014490
2026-01-15

FRAMING SYSTEM FOR A CONSTRUCTION SET

#6
20250345717
2025-11-13

Building Blocks for Toy Buildings and/or for Hamster and Small Pet Mazes

#7
20250332373
2025-10-30

Modeling Compound Sensory Play System

#8
20250281848
2025-09-11

CUSTOMIZABLE INTERCONNECTING BUILDING BLOCKS

#9
20250222370
2025-07-10

Luminous Building Block

#10
20240342624
2024-10-17

FRAMING SYSTEM FOR A CONSTRUCTION SET

#11
20240286057
2024-08-29

Pin Display Toy

#12
20240189728
2024-06-13

KIT AND METHOD FOR A CONSTRUCTION GAME

#13
20240157263
2024-05-16

CONNECTING STRUCTURES IN A MODULAR CONSTRUCTION KIT

#14
20240141636
2024-05-02

Modular building system

#15
20240139640
2024-05-02

CIRCUIT BLOCKS

#16
20230285869
2023-09-14

POLYHEDRAL MAGNETIC TOY BRICK AND COMBINED STRUCTURE

#17
20230271098
2023-08-31

ASSEMBLY-TYPE TOY

#18
20230241526
2023-08-03

Modular toy construction system

#19
20230211250
2023-07-06

CONNECTING STRUCTURES IN A MODULAR CONSTRUCTION KIT

#20
20230201733
2023-06-29

Modular airfoil system

#21
20230114267
2023-04-13

CONSTRUCTION KIT AND COMPONENTS THEREOF

#22
20230104009
2023-04-06

Modular toy structure

#23
20220395759
2022-12-15

Toy building blocks

#24
20220288502
2022-09-15

Stackable block

#25
20220203254
2022-06-30

Interlocking building block toy

#26
20220203253
2022-06-30

Circuit blocks

#27
20220176264
2022-06-09

CONNECTING STRUCTURES IN A MODULAR CONSTRUCTION KIT

#28
20210362069
2021-11-25

Construction System

#29
20210238846
2021-08-05

Interlocking blocks and assembly of interlocking structures

#30
20210170296
2021-06-10

TOY BUILDING SET

#31
20210106925
2021-04-15

BUILDING BLOCK FOR CONSTRUCTION SET

#32
20210039005
2021-02-11

CONNECTING STRUCTURES IN A MODULAR CONSTRUCTION KIT

#33
20200346128
2020-11-05

ASSEMBLY UNIT FOR TOY ASSEMBLY BLOCK

#34
20200306658
2020-10-01

Insert-and-twist building block structure

#35
20200222821
2020-07-16

Cube Based Building Block System

#36
20200215425
2020-07-09

Geometric construction panel

#37
20200188807
2020-06-18

BUILDING BLOCK AND BUILDING BLOCK SET HAVING THE SAME

#38
20200188806
2020-06-18

Transformable building block

#39
20200171400
2020-06-04

BUILDING BLOCK

#40
20200086225
2020-03-19

Circuit blocks

#41
20200016501
2020-01-16

Custom feedback device

#42
20190374868
2019-12-12

Modular airfoil system

#43
20190358558
2019-11-28

Toy Building Brick System

#44
20190283845
2019-09-19

MODULAR STRUCTURES AND METHOD FOR CONSTRUCTION THEREOF

#45
20190240590
2019-08-08

Assembly unit for toy assembly block

#46
20190217218
2019-07-18

Ring combination toy

#47
20190192986
2019-06-27

Toy building brick system

#48
20190168129
2019-06-06

Toy building element and toy building set

#49
20190118108
2019-04-25

Toy construction element with moving member

#50
20190111357
2019-04-18

DATA LINE FOR TOY BRICK

#51
20190054389
2019-02-21

Building blocks

#52
20190046891
2019-02-14

FLEXIBLE INTERCONNECTABLE BRICK ASSEMBLY

#53
20180318726
2018-11-08

Grippable Building Brick Assembly

#54
20180280823
2018-10-04

Construction toy element and set

#55
20180258967
2018-09-13

Structural basic units and their connectivity devices

#56
20180256999
2018-09-13

BLOCK-BASED CONSTRUCTION SYSTEM

#57
20180256992
2018-09-13

Connecting member for self-assembly toy

#58
20180200636
2018-07-19

Toy Figurine Mount Assembly

#59
20180194106
2018-07-12

Active lattices

#60
20180193998
2018-07-12

Modular robotics system based on IoT

#61
20180161687
2018-06-14

Modeling device, method, and system

#62
20180056208
2018-03-01

ASSEMBLY TOY

#63
20180056207
2018-03-01

Construction toy set of connectable and positionable elements

#64
20180043275
2018-02-15

Toy construction element with moving member

#65
20170333804
2017-11-23

Structure comprising two shell parts

#66
20170304741
2017-10-26

NESTABLE BUILDING BLOCKS

#67
20170296938
2017-10-19

Toy construction system and a method for a spatial structure to be detected by an electronic device comprising a touch screen

#68
20170291116
2017-10-12

Circuit blocks

#69
20170209802
2017-07-27

SNAP-LOCK CONSTRUCTION TOY

#70
20170209801
2017-07-27

SNAP-LOCK CONSTRUCTION TOY

#71
20170189829
2017-07-06

Construction toy element and set

#72
20170157523
2017-06-08

Mating Blocks For Constructing Natural Shapes

#73
20170144082
2017-05-25

Method, apparatus, and system for toy building block(s) with chain reaction trigger

#74
20170144081
2017-05-25

THEMED BUILDING TOY

#75
20170120157
2017-05-04

ASSEMBLED BLOCK SET, ASSEMBLED BLOCK OPERATION DEVICE, AND WEB SYSTEM

#76
20170072330
2017-03-16

Responsive Construction Toy

#77
20170036479
2017-02-09

MODULAR TOY AND WRITING INSTRUMENT

#78
20170007939
2017-01-12

Power transmission apparatus and built-up type toy including the same

#79
20160367907
2016-12-22

Tetradecahedron toy block

#80
20160346708
2016-12-01

TOY BLOCK COUPLING STRUCTURE AND TOY BLOCK COMPRISING SAME

#81
20160339351
2016-11-24

Connecting structures in a modular construction kit

#82
20160193537
2016-07-07

Methods and system relating to physical constructions and virtual representations

#83
20160166945
2016-06-16

Manipulatable construction toy set for toddlers, young children and others

#84
20150298019
2015-10-22

Constraction kit element (variants) and constraction kit

#85
20150072588
2015-03-12

Toy building set

#86
20140335754
2014-11-13

Modular toy and writing instrument

#87
20140308872
2014-10-16

TOY BUILDING BLOCKS

#88
20140220854
2014-08-07

ADAPTOR BRICK

#89
20140099854
2014-04-10

Slotted rod for a construction toy

#90
20140065922
2014-03-06

Weavable Construction toys for Young children

#91
20140030951
2014-01-30

Miniature customizable room building toy components

#92
20130244530
2013-09-19

FOAM CONSTRUCTION TOY

#93
20130203315
2013-08-08

Toy storage, vertical scaffold and interactive play stations

#94
20130102221
2013-04-25

Construction set

#95
20110230113
2011-09-22

Component Kit for Assembling Toy Buildings

#96
20110130067
2011-06-02

Modular toy and writing instrument

#97
20110036040
2011-02-17

INTERCONNECTABLE HINGED STRUCTURAL ELEMENTS

#98
20100221976
2010-09-02

Toy building construction set

#99
20100210172
2010-08-19

Toy building blocks

#100
20100144235
2010-06-10

Construction set

#101
20090149110
2009-06-11

TOY CONSTRUCTION SET

#102
20090137184
2009-05-28

Interlocking crossbar device and system

#103
20090004946
2009-01-01

Interlocking toy

#104
20070182094
2007-08-09

Solid puzzle block

#105
20060277739
2006-12-14

DIY combining method for straws

#106
20060264147
2006-11-23

Toy construction system with jaw components

#107
20060048475
2006-03-09

Building block

#108
20060046604
2006-03-02

Toy construction set method and apparatus

#109
20050113177
2005-05-26

Foam material modular toy structure

#110
20050051548
2005-03-10

System for building toy structures from discarded objects

#111
19026028
2025-07-08

Luminous building block

#112
17972737
2023-05-23

Building block

#113
15889155
2019-01-29

Assembly unit for toy assembly block

#114
15215736
2017-11-14

Toy construction element with moving members

#115
14180211
2016-12-13

Toy construction set