2154949

Information

• Patent Grant
• 2154949

• References
• Source

• Patent Number

  2,154,949

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1939
  86 years ago

• CPC

  • B28B3/2618 - using lubricating means
  • B28B3/20 - wherein the material is extruded

• US Classifications

  • 204 - Chemistry: electrical and wave energy
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 425 - Plastic article or earthenware shaping or treating: apparatus