2489227

Information

• Patent Grant
• 2489227

• References
• Source

• Patent Number

  2,489,227

• Date Filed

  Not available

• Date Issued

  Tuesday, November 22, 1949
  75 years ago

• CPC

  • B23Q5/26 - Fluid-pressure drives
  • Y10T74/1808 - Phonograph type
  • Y10T409/305152 - with means to change rate of infeed

• US Classifications

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