Patents by Inventor James Campbell Duncan Simonds

James Campbell Duncan Simonds has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Constructional toy
    Patent number: 10682582
    Abstract: A constructional toy comprising a plurality of elements which can be assembled together to form a variety of three dimensional structures. The elements include a triangular prism shaped brick element comprising a plurality of walls. The walls define a male mating side having a male engagement feature which extends from the brick. The walls also define a female mating side which defines a cavity configured for receiving an engagement feature of the same configuration as provided on the male mating side.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: June 16, 2020
    Assignee: CHISWICK INNOVATIONS LIMITED
    Inventors: Colin Duncan Simonds, James Campbell Duncan Simonds
  • 8 stud triangle
    Patent number: D803954
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: November 28, 2017
    Assignee: CHISWICK INNOVATIONS LIMITED
    Inventors: Colin Duncan Simonds, James Campbell Duncan Simonds
  • Reverse cube
    Patent number: D806179
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: December 26, 2017
    Assignee: CHISWICK INNOVATIONS LIMITED
    Inventors: Colin Duncan Simonds, James Campbell Duncan Simonds
  • 12 stud cube with hole
    Patent number: D806180
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: December 26, 2017
    Assignee: CHISWICK INNOVATIONS LIMITED
    Inventors: Colin Duncan Simonds, James Campbell Duncan Simonds
  • 8 stud cube with hole
    Patent number: D806804
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: January 2, 2018
    Assignee: CHISWICK INNOVATIONS LIMITED
    Inventors: Colin Duncan Simonds, James Campbell Duncan Simonds
  • Pulley
    Patent number: D833856
    Type: Grant
    Filed: January 25, 2018
    Date of Patent: November 20, 2018
    Assignee: CHISWICK INNOVATIONS LIMITED
    Inventors: Colin Duncan Simonds, James Campbell Duncan Simonds