2771820

Information

• Patent Grant
• 2771820

• References
• Source

• Patent Number

  2,771,820

• Date Filed

  Not available

• Date Issued

  Tuesday, November 27, 1956
  68 years ago

• CPC

  • B23D3/02 - for cutting grooves
  • Y10T74/18008 - Oscillating to reciprocating and alternating rotary
  • Y10T74/18992 - Reciprocating to reciprocating
  • Y10T409/502952 - For rifling
  • Y10T409/503116 - Inside hollow work
  • Y10T409/506232 - Reciprocating cutter infeed means

• US Classifications

  • 409 - Gear cutting, milling, or planing
  • 074 - Machine element or mechanism