Patents by Inventor Tinwgu Song

Tinwgu Song 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: 10641563
    Abstract: A receiver and a method for manufacturing it are disclosed. The receiver contains an incomplete receiver containing a first receiver opening configured to accommodate an ammunition magazine, a second receiver opening containing a first and a second protrusion, a buffer tube insert containing an upwardly extending lobe, a first side panel positioned within the second receiver opening, the first side panel containing a first panel opening configured to accommodate the first protrusion, a second side panel positioned within the receiver second opening, the second side panel containing a second panel opening configured to accommodate the second protrusion.
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: May 5, 2020
    Inventor: Tinwgu Song
  • Publication number: 20190086168
    Abstract: A receiver and a method for manufacturing it are disclosed. The receiver contains an incomplete receiver containing a first receiver opening configured to accommodate an ammunition magazine, a second receiver opening containing a first and a second protrusion, a buffer tube insert containing an upwardly extending lobe, a first side panel positioned within the second receiver opening, the first side panel containing a first panel opening configured to accommodate the first protrusion, a second side panel positioned within the receiver second opening, the second side panel containing a second panel opening configured to accommodate the second protrusion.
    Type: Application
    Filed: September 17, 2018
    Publication date: March 21, 2019
    Inventor: Tinwgu Song