2808764

Information

• Patent Grant
• 2808764

• References
• Source

• Patent Number

  2,808,764

• Date Filed

  Not available

• Date Issued

  Tuesday, October 8, 1957
  67 years ago

• CPC

  • B23C3/32 - Milling helical grooves
  • Y10T409/300168 - with means to regulate operation by use of templet, card, or other replaceable information supply
  • Y10T409/300504 - Plural cutters or work holders

• US Classifications

  • 409 - Gear cutting, milling, or planing
  • 269 - Work holders