537214

Information

• Patent Grant
• 537214

• References
• Source

• Patent Number

  537,214

• Date Filed

  Not available

• Date Issued

  Tuesday, April 9, 1895
  130 years ago

• CPC

  • B23F5/22 - the tool being a hob for making spur gears
  • Y10T409/103339 - to infeed radially of axis of work rotation

• US Classifications

  • 409 - Gear cutting, milling, or planing