1216454

Information

• Patent Grant
• 1216454

• References
• Source

• Patent Number

  1,216,454

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1917
  107 years ago

• CPC

  • B23F19/101 - by planing
  • Y10S451/90 - Gear abrader
  • Y10T409/101272 - Using relatively reciprocating or oscillating cutter

• US Classifications

  • 409 - Gear cutting, milling, or planing
  • 451 - Abrading