1505867

Information

• Patent Grant
• 1505867

• References
• Source

• Patent Number

  1,505,867

• Date Filed

  Not available

• Date Issued

  Tuesday, August 19, 1924
  100 years ago

• CPC

  • B24B7/22 - for grinding inorganic material
  • B28D1/185 - for brick cleaning

• US Classifications

  • 451 - Abrading
  • 125 - Stone working
  • 144 - Woodworking