1823877

Information

• Patent Grant
• 1823877

• References
• Source

• Patent Number

  1,823,877

• Date Filed

  Not available

• Date Issued

  Tuesday, September 22, 1931
  93 years ago

• CPC

  • B31F1/128 - Making paper elastic in all directions, other than by crêping

• US Classifications

  • 162 - Paper making and fiber liberation