Patents by Inventor Alexander John Gellatly Duncan

Alexander John Gellatly Duncan 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).

  • Publication number: 20120190269
    Abstract: An inflatable has an air inlet (5) and has, in inflated form, a height and a greatest base dimension, being the length of the longest straight line that can be contained within a base (2) of the inflatable, said height being greater than said greatest base dimension, and at least one substantially horizontal internal dividing wall (8, 13, 14), the at least one wall having an aperture (11) arranged to admit air therethrough.
    Type: Application
    Filed: January 26, 2011
    Publication date: July 26, 2012
    Inventor: Alexander John Gellatly Duncan
  • Publication number: 20020190463
    Abstract: Apparatus for playing a game includes a timing device comprising a downwardly spiraling track, and a ball constrained to roll down the track, the movement of a ball between defined points on the track indicating the elapsing of a time period, and a device for projecting a ball comprising a guide for directing the ball upwards in a particular direction, along which guide the ball may be flicked. The object of the game is to project balls at a figure using the projecting device and knock the figure over before the ball of the timing device reaches the bottom of the track.
    Type: Application
    Filed: June 10, 2002
    Publication date: December 19, 2002
    Inventor: Alexander John Gellatly Duncan