Patents by Inventor William Gordon McCallum

William Gordon McCallum 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).

  • Insect trap and fitting
    Patent number: 6609329
    Abstract: An insect trap fitting adapted to cover an opening in a receptacle containing insect attractant. The fitting includes a cover plate with a first aperture in it and a first skirt extending downwardly from the periphery of the first aperture. A screen with a second aperture in it is located at the lower edge of the first skirt. A blade extends from the second aperture to a position above the first aperture in the cover plate. The fitting may also include a second skirt extending downwardly from the periphery of the second aperture, the blade extending from the lower edge of the second skirt to above the level of the first aperture in the cover plate. A fly trap includes the fitting and a receptacle.
    Type: Grant
    Filed: May 21, 2001
    Date of Patent: August 26, 2003
    Inventor: William Gordon McCallum
  • Insect trap and fitting
    Publication number: 20020011021
    Abstract: An insect trap fitting adapted to cover an opening in a receptacle containing insect attractant. The fitting includes a cover plate with a first aperture in it and a first skirt extending downwardly from the periphery of the first aperture. A screen with a second aperture in it is located at the lower edge of the first skirt. A blade extends from the second aperture to a position above the first aperture in the cover plate. The fitting my also include a second skirt extending downwardly from the periphery of the second aperture, the blade extending from the lower edge of the second skirt to above the level of the first aperture in the cover plate. A fly trap includes the fitting and a receptacle.
    Type: Application
    Filed: May 21, 2001
    Publication date: January 31, 2002
    Inventor: William Gordon McCallum