1739645

Information

• Patent Grant
• 1739645

• References
• Source

• Patent Number

  1,739,645

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1929
  95 years ago

• CPC

  • D21B1/38 - Conserving the finely-divided cellulosic material

• US Classifications

  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
  • 162 - Paper making and fiber liberation