2118763

Information

• Patent Grant
• 2118763

• References
• Source

• Patent Number

  2,118,763

• Date Filed

  Not available

• Date Issued

  Tuesday, May 24, 1938
  87 years ago

• CPC

  • D21J1/00 - Fibreboard
  • Y10T29/474 - Burnishing tool reciprocates across work surface

• US Classifications

  • 029 - Metal working
  • 162 - Paper making and fiber liberation
  • 241 - Solid material comminution or disintegration