Curved Surface Patents (Class D21/503)
  • Building block for a toy building set
    Patent number: D757862
    Type: Grant
    Filed: May 22, 2015
    Date of Patent: May 31, 2016
    Assignee: LEGO A/S
    Inventor: Jan Ryaa
  • Interlocking building block
    Patent number: D762268
    Type: Grant
    Filed: April 24, 2015
    Date of Patent: July 26, 2016
    Assignee: IKO, LLC
    Inventors: Mina M. Berglund, Taylor P. DaBell, Gates A. Lamb, Michael P. Wong
  • Curved block model construction component
    Patent number: D767045
    Type: Grant
    Filed: May 19, 2015
    Date of Patent: September 20, 2016
    Inventor: Buster Timg
  • Construction set element
    Patent number: D799607
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: October 10, 2017
    Assignee: Mattel-MEGA Holdings (US), LLC
    Inventors: Maxime Pouliot, Maxence Bilodeau
  • Construction set element
    Patent number: D799608
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: October 10, 2017
    Assignee: Mattel-MEGA Holdings (US), LLC
    Inventors: Maxime Pouliot, Maxence Bilodeau
  • Construction set element
    Patent number: D809611
    Type: Grant
    Filed: July 22, 2015
    Date of Patent: February 6, 2018
    Assignee: MEGA Brands Inc.
    Inventor: Stacy Deblois
  • Set of building blocks
    Patent number: D821503
    Type: Grant
    Filed: March 14, 2017
    Date of Patent: June 26, 2018
    Assignee: Guidecraft, Inc.
    Inventors: Gary L. Bilezikian, Shannon Moore
  • Set of building blocks
    Patent number: D821504
    Type: Grant
    Filed: March 14, 2017
    Date of Patent: June 26, 2018
    Assignee: Guidecraft, Inc.
    Inventors: Gary L. Bilezikian, Shannon Moore
  • Set of building blocks
    Patent number: D822122
    Type: Grant
    Filed: March 14, 2017
    Date of Patent: July 3, 2018
    Assignee: Guidecraft, Inc.
    Inventors: Gary L. Bilezikian, Shannon Moore
  • Set of building blocks
    Patent number: D822123
    Type: Grant
    Filed: March 14, 2017
    Date of Patent: July 3, 2018
    Assignee: Guidecraft, Inc.
    Inventors: Gary L. Bilezikian, Shannon Moore
  • Toy building block
    Patent number: D832934
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: November 6, 2018
    Assignee: PEOPLE CO., LTD.
    Inventor: Masako Kogure
  • Octahedral block
    Patent number: D837902
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: January 8, 2019
    Inventor: T. Dashon Howard
  • Conical helix
    Patent number: D838785
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: January 22, 2019
    Inventor: Mark William Wonner
  • Expanded octahedral block
    Patent number: D842385
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: March 5, 2019
    Inventor: T. Dashon Howard
  • Expanded tetrahedral block
    Patent number: D843494
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: March 19, 2019
    Inventor: T. Dashon Howard
  • Expanded triangular block
    Patent number: D843495
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: March 19, 2019
    Inventor: T. Dashon Howard
  • Contracted triangular block
    Patent number: D843496
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: March 19, 2019
    Inventor: T. Dashon Howard
  • Tetrahedral block
    Patent number: D843497
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: March 19, 2019
    Inventor: T. Dashon Howard
  • Connector piece for assembling toys and furniture
    Patent number: D847271
    Type: Grant
    Filed: October 13, 2017
    Date of Patent: April 30, 2019
    Inventor: JiZhong Peng
  • Construction set element
    Patent number: D848542
    Type: Grant
    Filed: July 12, 2016
    Date of Patent: May 14, 2019
    Assignee: MEGA Brands Inc.
    Inventor: Kevin Pestel
  • Construction set element
    Patent number: D851181
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: June 11, 2019
    Assignee: MEGA Brands Inc.
    Inventor: Dawn Elizabeth Pitcher Wintour
  • Multi-functional educational toy flower bead
    Patent number: D857113
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: August 20, 2019
    Inventor: Fabien Fontaine
  • Accessory to a multi-functional educational toy bead
    Patent number: D857114
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: August 20, 2019
    Inventor: Fabien Fontaine
  • Pentagonal tetrahedral block
    Patent number: D861080
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: September 24, 2019
    Inventor: T. Dashon Howard
  • Multi-functional education toy grape bead
    Patent number: D865076
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: October 29, 2019
    Inventor: Fabien Fontaine
  • Multi-functional educational toy ball with rings and side discs bead
    Patent number: D865077
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: October 29, 2019
    Inventor: Fabien Fontaine
  • Multi-functional educational ornamental toy bead
    Patent number: D867473
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: November 19, 2019
    Inventor: Fabien Fontaine
  • Toy building block
    Patent number: D869569
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: December 10, 2019
    Inventor: William C. MacArthur
  • Toy building block
    Patent number: D878484
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: March 17, 2020
    Assignee: Shanghai Putao Technology Co., Ltd.
    Inventors: Lei Xie, Xiang Zhang
  • Mated block
    Patent number: D898129
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: October 6, 2020
    Inventor: T. Dashon Howard
  • Toy block
    Patent number: D902323
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: November 17, 2020
    Assignee: GYMWORLD INC.
    Inventors: Kee Young Park, Gyu Jin Seo, Ju Seong Lee, Chang Moon Lee, Ki Ho Lee, Yoon Su Cha, Na Young Go, So Lee Kang, Jo Un Yi
  • Polyhedral lattice block
    Patent number: D906438
    Type: Grant
    Filed: April 30, 2018
    Date of Patent: December 29, 2020
    Inventor: T. Dashon Howard
  • Tetrahedral icosahedron block
    Patent number: D906439
    Type: Grant
    Filed: April 30, 2018
    Date of Patent: December 29, 2020
    Inventor: T. Dashon Howard
  • Toy block
    Patent number: D909493
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: February 2, 2021
    Assignee: GYMWORLD INC.
    Inventors: Kee Young Park, Gyu Jin Seo, Ju Seong Lee, Chang Moon Lee, Ki Ho Lee, Yoon Su Cha, Na Young Go, So Lee Kang, Jo Un Yi
  • Construction set element
    Patent number: D914110
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: March 23, 2021
    Assignee: LEGO A/S
    Inventors: Byeongjun Hwang, Kyoungbae Na
  • Block from a construction set
    Patent number: D917630
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: April 27, 2021
    Inventor: Pedro Chumillas Zurilla
  • Construction set block
    Patent number: D918310
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: May 4, 2021
    Assignee: UBTECH ROBOTICS CORP
    Inventors: Yumiao Wu, Lefeng Liu, Qiujie Lin, Xinshui Huang, Youjun Xiong
  • Snap-lock construction toy axle
    Patent number: D936752
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: November 23, 2021
    Inventor: Costas Sisamos
  • Snap-lock construction toy
    Patent number: D937362
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: November 30, 2021
    Inventor: Costas Sisamos
  • Block for a toy
    Patent number: D946665
    Type: Grant
    Filed: November 28, 2019
    Date of Patent: March 22, 2022
    Inventor: Silgi Lee
  • Toy building element
    Patent number: D961005
    Type: Grant
    Filed: March 9, 2020
    Date of Patent: August 16, 2022
    Assignee: LEGO A/S
    Inventor: Yoel Mazur
  • Stackable building block
    Patent number: D965075
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: September 27, 2022
    Assignee: WILDFLOWER LEARNING TOOLS, LLC
    Inventor: Margaret Yates
  • Element for a toy building set
    Patent number: D965699
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: October 4, 2022
    Assignee: LEGO A/S
    Inventor: Bo Park Kristensen
  • Block toy
    Patent number: D969232
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: November 8, 2022
    Assignee: GYMWORLD INC.
    Inventors: Kee Young Park, Chang Moon Lee, So Lee Kang, Jo Un Yi, Yeong Du Jeon
  • Element for a toy building set
    Patent number: D975198
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: January 10, 2023
    Assignee: LEGO A/S
    Inventor: Yoel Mazur
  • Element for a toy building
    Patent number: D975200
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: January 10, 2023
    Assignee: LEGO A/S
    Inventor: Daniel Sri Surdarsono
  • Building block toy
    Patent number: D977028
    Type: Grant
    Filed: September 14, 2021
    Date of Patent: January 31, 2023
    Inventor: Jinjie Wang
  • Toy block
    Patent number: D977590
    Type: Grant
    Filed: April 17, 2021
    Date of Patent: February 7, 2023
    Inventor: Xin Feng
  • Building block from a toy building set
    Patent number: D994042
    Type: Grant
    Filed: September 15, 2021
    Date of Patent: August 1, 2023
    Assignee: MODU ApS
    Inventors: Theo Fischer Ginman, Jonathan Rasmussen
  • Toy building brick
    Patent number: D1020921
    Type: Grant
    Filed: November 14, 2023
    Date of Patent: April 2, 2024
    Inventor: Ying Zhou