3870777

Information

• Patent Grant
• 3870777

• References
• Source

• Patent Number

  3,870,777

• Date Filed

  Not available

• Date Issued

  Tuesday, March 11, 1975
  49 years ago

• CPC

  • C04B28/04 - Portland cements
  • B28B1/10 - and applying pressure otherwise than by the use of presses
  • B28B5/022 - the moulds or the moulding surfaces being individual independant units and being discontinuously fed
  • B28B5/04 - in moulds moved in succession past one or more shaping stations
  • B28B11/10 - by using presses
  • Y10S425/119 - Perforated or porous

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 249 - Static molds
  • 425 - Plastic article or earthenware shaping or treating: apparatus