Patents by Inventor Joseph Allen Dinwiddie

Joseph Allen Dinwiddie 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).

  • THREE-DIMENSIONAL ARCH PUZZLE
    Publication number: 20200338443
    Abstract: An arch puzzle includes a base having a substantially flat upper surface, a first ridge protruding upward from the upper surface at a first side, and a second ridge protruding upward from the upper surface at a second side. A notch is defined the first and second ridge. An arch support has a semi-circular block shape, dimensioned to receive a 6? protractor on a face thereof. A plurality of arch pieces each have a keystone shape, and are preferably identically shaped. At least a first pair of shims each include an elongated body having a tapered upper surface and a horizontal lower surface. Each of the shims have an opening at a second end of the shim to facilitate removal of the shims from the puzzle.
    Type: Application
    Filed: July 8, 2020
    Publication date: October 29, 2020
    Inventor: Joseph Allen Dinwiddie
  • Three-dimensional arch puzzle
    Patent number: 10716993
    Abstract: An arch puzzle includes a base having a substantially flat upper surface, a first ridge protruding upward from the upper surface at a first side, and a second ridge protruding upward from the upper surface at a second side. A notch is defined the first and second ridge. An arch support has a semi-circular block shape. A plurality of arch pieces have a keystone shape. At least a first pair of shims each include an elongated body having a tapered upper surface and a horizontal lower surface.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: July 21, 2020
    Inventor: Joseph Allen Dinwiddie
  • THREE-DIMENSIONAL ARCH PUZZLE
    Publication number: 20190184277
    Abstract: An arch puzzle includes a base having a substantially flat upper surface, a first ridge protruding upward from the upper surface at a first side, and a second ridge protruding upward from the upper surface at a second side. A notch is defined the first and second ridge. An arch support has a semi-circular block shape. A plurality of arch pieces have a keystone shape. At least a first pair of shims each include an elongated body having a tapered upper surface and a horizontal lower surface.
    Type: Application
    Filed: December 14, 2018
    Publication date: June 20, 2019
    Inventor: Joseph Allen Dinwiddie
  • Three-dimensional arch puzzle
    Patent number: D989884
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: June 20, 2023
    Inventor: Joseph Allen Dinwiddie