Patents by Inventor Ji{hacek over (r)}í Holda

Ji{hacek over (r)}í Holda 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).

  • Key for controlling a lock with a cylindrical plug and a lock for validating this key
    Patent number: 11162278
    Abstract: A key that controls a lock with a cylindrical plug, the key having a shank the body of which has an external, rounded surface and forms a hollow, partially enclosed profile. The external rounded surface is shaped for turning the key in the lock cavity of the lock, while at least in the end part of the lateral section of the shank, an open cavity is created for inserting an arm of the validating lever of the lock. At least a part of the shank is U-shaped or V-shaped fitted with at least one open coding track and/or at least one coding channel with a shaped coding surface.
    Type: Grant
    Filed: August 21, 2017
    Date of Patent: November 2, 2021
    Inventor: Ji{hacek over (r)}í Holda