2668574

Information

• Patent Grant
• 2668574

• References
• Source

• Patent Number

  2,668,574

• Date Filed

  Not available

• Date Issued

  Tuesday, February 9, 1954
  70 years ago

• CPC

  • B28B1/528 - for producing corrugated sheets

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus