2635508

Information

• Patent Grant
• 2635508

• References
• Source

• Patent Number

  2,635,508

• Date Filed

  Not available

• Date Issued

  Tuesday, April 21, 1953
  71 years ago

• CPC

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

• US Classifications

  • 162 - Paper making and fiber liberation