2718822

Information

• Patent Grant
• 2718822

• References
• Source

• Patent Number

  2,718,822

• Date Filed

  Not available

• Date Issued

  Tuesday, September 27, 1955
  69 years ago

• CPC

  • B28B5/028 - the moulding surfaces being of definite length
  • B28B1/528 - for producing corrugated sheets

• US Classifications

  • 162 - Paper making and fiber liberation