3621755

Information

• Patent Grant
• 3621755

• References
• Source

• Patent Number

  3,621,755

• Date Filed

  Not available

• Date Issued

  Tuesday, November 23, 1971
  53 years ago

• CPC

  • B23F21/166 - in exchangeable arrangement
  • B23F13/06 - Making worms of globoidal shape
  • B23F21/12 - Milling tools
  • Y10T407/1725 - including holder having seat for inserted tool
  • Y10T409/101749 - Process
  • Y10T409/105883 - Using rotary cutter
  • Y10T409/107473 - Making a noncircular gear, worm, rotor, or a planar-faced gear

• US Classifications

  • 409 - Gear cutting, milling, or planing