2549686

Information

• Patent Grant
• 2549686

• References
• Source

• Patent Number

  2,549,686

• Date Filed

  Not available

• Date Issued

  Tuesday, April 17, 1951
  73 years ago

• CPC

  • B28B21/52 - by extruding

• US Classifications

  • 162 - Paper making and fiber liberation
  • 425 - Plastic article or earthenware shaping or treating: apparatus