Patents by Inventor Cort John Shirk, II

Cort John Shirk, II 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).

  • Bicycle weight trainer
    Patent number: 9266004
    Abstract: An apparatus comprising a weight system. The weight system is configured to be attached to a frame of a bicycle to increase the weight of the bicycle. The weight system is configured to be located in an area within a perimeter defined by a portion of the frame of the bicycle when attached to the frame.
    Type: Grant
    Filed: January 21, 2014
    Date of Patent: February 23, 2016
    Inventor: Cort John Shirk, II
  • Bicycle Weight Trainer
    Publication number: 20150202515
    Abstract: An apparatus comprising a weight system. The weight system is configured to be attached to a frame of a bicycle to increase the weight of the bicycle. The weight system is configured to be located in an area within a perimeter defined by a portion of the frame of the bicycle when attached to the frame.
    Type: Application
    Filed: January 21, 2014
    Publication date: July 23, 2015
    Inventor: Cort John Shirk, II
  • Multipurpose slingshot
    Patent number: 8640682
    Abstract: An apparatus comprising an elongate member, a first arm, a second arm, a channel, and a cap. The elongate member has a first end and a second end. The first arm and the second arm extend from the first end. A space is present between the first arm and the second arm over the first end. The channel extends through the elongate member. The channel is in communication with an opening in the second end of the elongate member. The cap is configured to be secured to the second end and substantially seal the opening in the second end.
    Type: Grant
    Filed: January 30, 2012
    Date of Patent: February 4, 2014
    Inventor: Cort John Shirk, II
  • Multipurpose Slingshot
    Publication number: 20130192572
    Abstract: An apparatus comprising an elongate member, a first arm, a second arm, a channel, and a cap. The elongate member has a first end and a second end. The first arm and the second arm extend from the first end. A space is present between the first arm and the second arm over the first end. The channel extends through the elongate member. The channel is in communication with an opening in the second end of the elongate member. The cap is configured to be secured to the second end and substantially seal the opening in the second end.
    Type: Application
    Filed: January 30, 2012
    Publication date: August 1, 2013
    Inventor: Cort John Shirk, II