Patents by Inventor Desmond Frederick Holden

Desmond Frederick Holden 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).

  • Patent number: 7228572
    Abstract: A drained urinal comprises: an inverted truncated cone; a pivot arm connected beneath the truncated cone, having a hollow interior to drain urine therethrough; and, a base having a top portion adapted to receive and secure a bottom portion of the pivot arm, said base including a hinge to allow the pivot arm to bend down from an upright storage position to an oblique in-use position, and having a flat side portion adapted for attachment to a carrying surface. Most preferably the pivot arm has an adjustable length and the truncated cone has a top peripheral rim contoured to fit closely against a groin of a woman's body. The hinge comprises an upright flexible hose surrounded by a large cylindrical spring having a lower end portion secured in the base to thereby bias the pivot arm to the upright storage position.
    Type: Grant
    Filed: August 15, 2005
    Date of Patent: June 12, 2007
    Inventor: Desmond Frederick Holden