456938

Information

• Patent Grant
• 456938

• References
• Source

• Patent Number

  456,938

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1891
  133 years ago

• CPC

  • B24B35/00 - Machines or devices designed for superfinishing surfaces on work
  • Y10S29/074 - Partial immersion of cutter

• US Classifications

  • 451 - Abrading
  • 029 - Metal working