Patents by Inventor Gilbert Goldstein

Gilbert Goldstein 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: 5405177
    Abstract: The filter changing device is a rectangular device comprised of a rear and front piece with an elongated slot of 1/4" in diameter to the front piece. This helps guide a movable insert within the rectangular device to extend to various lengths. The insert is locked in place by a 1/4.times.20 welded stud affixed to the flexible insert. A washer and wing nut help hold the flexible insert in place to secure the front and rear piece by the means of a dimple-like indentation on left and right.
    Type: Grant
    Filed: January 3, 1994
    Date of Patent: April 11, 1995
    Inventor: Gilbert Goldstein
  • Patent number: 5261577
    Abstract: A paint brush caddy adapted to hold a paint brush in association with a paint bucket and to prevent dripping from such brush onto the floor comprising in its basic elements a container into which the paint brush is inserted and which is enclosed to prevent leakage therefrom, and means to affix such container in a removable fashion to the lip of a paint bucket to hold the container in fixed position on said bucket.
    Type: Grant
    Filed: April 15, 1993
    Date of Patent: November 16, 1993
    Inventors: Gilbert Goldstein, Oscar Shapiro