1770549

Information

• Patent Grant
• 1770549

• References
• Source

• Patent Number

  1,770,549

• Date Filed

  Not available

• Date Issued

  Tuesday, July 15, 1930
  94 years ago

• CPC

  • B27G17/06 - Rasps

• US Classifications

  • 144 - Woodworking
  • 015 - Brushing, scrubbing, and general cleaning
  • 451 - Abrading