1673967

Information

• Patent Grant
• 1673967

• References
• Source

• Patent Number

  1,673,967

• Date Filed

  Not available

• Date Issued

  Tuesday, June 19, 1928
  96 years ago

• CPC

  • D21H13/34 - Protein fibres
  • D21H5/1209 - of protein fibres

• US Classifications

  • 162 - Paper making and fiber liberation
  • 036 - Boots, shoes, and leggings