Patents by Inventor Frederick J. Herridge

Frederick J. Herridge 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: 4880247
    Abstract: A combination of a cutting tool (10) and a holder (14) defining a socket (13) for receiving a shank (12) of the cutting tool, wherein the shank includes a slot (17) extending transversely to its longitudinal axis, an elongate locking bar (20) mounted in the slot and projecting therefrom, and resilient means (19) biassing the bar into its projecting position and wherein the holder includes an elongate abutment member 21 releasably connected thereto and co-operable with the locking bar to retain the shank within the socket.
    Type: Grant
    Filed: June 6, 1988
    Date of Patent: November 14, 1989
    Assignee: Anderson Strathclyde PLC
    Inventor: Frederick J. Herridge