678837

Information

• Patent Grant
• 678837

• References
• Source

• Patent Number

  678,837

• Date Filed

  Not available

• Date Issued

  Tuesday, July 16, 1901
  123 years ago

• CPC

  • B02C18/0007 - specially adapted for disintegrating documents
  • B02C18/2266 - of revolving drum type
  • B02C2018/188 - Stationary counter-knives; Mountings thereof
  • Y10T83/7863 - Tool pair comprises rotatable tool and nonrotatable tool
  • Y10T83/9372 - Rotatable type

• US Classifications

  • 241 - Solid material comminution or disintegration
  • 083 - Cutting
  • 144 - Woodworking