3664756

Information

• Patent Grant
• 3664756

• References
• Source

• Patent Number

  3,664,756

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1972
  53 years ago

• CPC

  • B23C3/051 - Reconditioning of valve seats
  • B23B29/03 - Boring heads
  • B23C3/05 - Finishing valves or valve seats
  • Y10T408/8925 - Depth-limiting member
  • Y10T409/306216 - Randomly manipulated, work supported, or work following device

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 409 - Gear cutting, milling, or planing