Patents by Inventor Andrew C. S. Hurst

Andrew C. S. Hurst 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: 4528875
    Abstract: A socket having an interior working part shaped to engage an item such as a nut and having an insert which is geometrically similar to said interior working part of the socket, said insert being a sliding close fit within the socket so as to be movable to and from a position of use and so that one of the socket and said insert can be used to engage said item, and including means to urge said insert towards the position of use, and means for selectively restraining said insert in the position of use.
    Type: Grant
    Filed: February 18, 1983
    Date of Patent: July 16, 1985
    Inventors: Andrew C. S. Hurst, Nicholas J. Hurst