1921995

Information

• Patent Grant
• 1921995

• References
• Source

• Patent Number

  1,921,995

• Date Filed

  Not available

• Date Issued

  Tuesday, August 8, 1933
  91 years ago

• CPC

  • B24B29/005 - using brushes
  • B24B7/28 - for grinding wood
  • B24B55/06 - Dust extraction equipment on grinding or polishing machines
  • Y10S29/061 - Plural-type debris removers
  • Y10S29/086 - Hood encased cutter

• US Classifications

  • 451 - Abrading
  • 029 - Metal working