517742

Information

• Patent Grant
• 517742

• References
• Source

• Patent Number

  517,742

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1894
  130 years ago

• CPC

  • B28D1/20 - by planing
  • Y10T409/50574 - with rack-driven bed

• US Classifications

  • 125 - Stone working
  • 409 - Gear cutting, milling, or planing
  • 451 - Abrading