Patents by Inventor Sul-Kil Lee

Sul-Kil Lee 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).

  • Receptacle
    Patent number: 7034224
    Abstract: A receptacle includes an insulated outer case, first and second trip switches formed on an inner bottom of the insulated case, a reset switch formed on the inner bottom of the insulated outer case, a cover disposed on a top of the outer case, first and second test buttons disposed in the insulated outer case to be movable in a vertical direction, each of the first and second test buttons having a bottom adjacent to the corresponding trip switch and a top exposed through the cover, a first spring for biasing the first and second test buttons to an initial position, a reset button disposed in the insulated outer case to be movable in a vertical direction, the reset button having a bottom adjacent to the reset switch and a top exposed through the cover, and a locking portion for selectively locking the reset button in response to the vertical motion of the first and second test button.
    Type: Grant
    Filed: January 8, 2004
    Date of Patent: April 25, 2006
    Assignee: Seochang Electric Communication Co., Ltd.
    Inventors: Cheon-Youn Kim, Dong seb Kim, Sul-Kil Lee, Ki-Young Lim, Seok-Won Song, Dae-Gun Kim
  • Receptacle
    Publication number: 20040140117
    Abstract: A receptacle includes an insulated outer case, first and second trip switches formed on an inner bottom of the insulated case, a reset switch formed on the inner bottom of the insulated outer case, a cover disposed on a top of the outer case, first and second test buttons disposed in the insulated outer case to be movable in a vertical direction, each of the first and second test buttons having a bottom adjacent to the corresponding trip switch and a top exposed through the cover, a first spring for biasing the first and second test buttons to an initial position, a reset button disposed in the insulated outer case to be movable in a vertical direction, the reset button having a bottom adjacent to the reset switch and a top exposed through the cover, and a locking portion for selectively locking the reset button in response to the vertical motion of the first and second test button.
    Type: Application
    Filed: January 8, 2004
    Publication date: July 22, 2004
    Inventors: Cheon-Youn Kim, Dong Seb Kim, Sul-Kil Lee, Ki-Young Lim, Seok-Won Song, Dae-Gun Kim