Patents by Inventor John Christopolous

John Christopolous 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).

  • Circular knitting machine with disengaging positive yarn feeding means
    Patent number: 4027505
    Abstract: A cylinder and dial circular knitting machine is provided with:1. a positive feed means that feeds a yarn and a striping box that may feed a draw thread or yarn,2. adjustable placer and raise cams, and3. means for controlling the operation of such striping box and cams so as to cause the machine to knit fabric separable at single courses of draw threads into strips of predetermined widths with locked and non-running edges.4. disengaging means for the positive yarn feed including a mechanical connection extending from said adjustable cams to the positive yarn feed.
    Type: Grant
    Filed: February 24, 1976
    Date of Patent: June 7, 1977
    Assignee: The Singer Company
    Inventors: Lester Mishcon, John Christopolous