Patents by Inventor Christopher J. Whigham

Christopher J. Whigham 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: 10315456
    Abstract: A chalk stick holder device having a handle portion, a hollow central tube portion, and a gripper portion. The three portions can be joined together to form a long-reaching chalk stick holder for drawing on surfaces while the user remains standing. The gripper portion includes a spring-action receiver for receiving a chalk stick and securing the chalk stick within the gripper end using a locking tooth. Upon pressing the locking tooth, the receiver releases the chalk stick, which can then be replaced with another color of chalk stick stored in the hollow central tube portion.
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: June 11, 2019
    Inventor: Christopher J. Whigham
  • Publication number: 20180201048
    Abstract: A chalk stick holder device having a handle portion, a hollow central tube portion, and a gripper portion. The three portions can be joined together to form a long-reaching chalk stick holder for drawing on surfaces while the user remains standing. The gripper portion includes a spring-action receiver for receiving a chalk stick and securing the chalk stick within the gripper end using a locking tooth. Upon pressing the locking tooth, the receiver releases the chalk stick, which can then be replaced with another color of chalk stick stored in the hollow central tube portion.
    Type: Application
    Filed: January 16, 2018
    Publication date: July 19, 2018
    Inventor: Christopher J. Whigham
  • Publication number: 20140270890
    Abstract: The present invention provides a telescopic chalk holder for drawing upon a drawing surface and including an outer cylinder having a tip at one end, a chalk stick received within the outer cylinder, the tip in radial receipt of the chalk stick, a push rod received by a second end of the outer cylinder and extending at least a portion of the chalk stick through the tip, and a push rod providing pressure to the chalk stick as the tip is manipulated over the drawing surface.
    Type: Application
    Filed: March 12, 2013
    Publication date: September 18, 2014
    Inventor: Christopher J. Whigham