Patents Assigned to Mt. Lassen Cinder Company
  • Pozzolan and concrete product thereof
    Patent number: 3982954
    Abstract: An improved pozzolan is fabricated from scoria cinder processed to a particle size below 10,000 Blaine. When incorporated with the cement in a concrete mixture, this pozzolan imparts rapid tensile strength to the concrete upon curing. A new and improved concrete is also provided which consists solely of cement and scoria cinder aggregate of graded particle size.
    Type: Grant
    Filed: April 12, 1974
    Date of Patent: September 28, 1976
    Assignee: Mt. Lassen Cinder Company
    Inventor: Carl C. Jeskey