2981989

Information

• Patent Grant
• 2981989

• References
• Source

• Patent Number

  2,981,989

• Date Filed

  Not available

• Date Issued

  Tuesday, May 2, 1961
  64 years ago

• CPC

  • B22C9/28 - for wheels, rolls, or rollers
  • B23F11/00 - Making worm wheels
  • B23F17/00 - Special methods or machines for making gear teeth, not covered by the preceding groups
  • Y10T409/303752 - Process

• US Classifications

  • 164 - Metal founding
  • 409 - Gear cutting, milling, or planing
  • 451 - Abrading