Patents by Inventor Shiow-Ching Chang

Shiow-Ching Chang 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: 7543579
    Abstract: An apparatus for loading and unloading pellets in a slingshot includes a handle and a magazine. The handle is hollow. The magazine is mounted in the handle and has a body and a switch. The body has a lower end, a receiving space defined in the body, a sliding hole defined through the lower end and a channel. The channel is defined in the lower end and communicates with the receiving space and the sliding hole. The switch is mounted slidably in the sliding hole and has a baffle, a resilient element, a through hole and a hook. The resilient element is mounted on the baffle. The through hole is defined through the baffle and corresponds to the channel of the body. The hook is mounted on the baffle and extends over the through hole.
    Type: Grant
    Filed: September 5, 2006
    Date of Patent: June 9, 2009
    Inventor: Shiow-Ching Chang
  • Publication number: 20080053421
    Abstract: An apparatus for loading and unloading pellets in a slingshot includes a handle and a magazine. The handle is hollow. The magazine is mounted in the handle and has a body and a switch. The body has a lower end, a receiving space defined in the body, a sliding hole defined through the lower end and a channel. The channel is defined in the lower end and communicates with the receiving space and the sliding hole. The switch is mounted slidably in the sliding hole and has a baffle, a resilient element, a through hole and a hook. The resilient element is mounted on the baffle. The through hole is defined through the baffle and corresponds to the channel of the body. The hook is mounted on the baffle and extends over the through hole.
    Type: Application
    Filed: September 5, 2006
    Publication date: March 6, 2008
    Inventor: Shiow-Ching Chang