2774250

Information

• Patent Grant
• 2774250

• References
• Source

• Patent Number

  2,774,250

• Date Filed

  Not available

• Date Issued

  Tuesday, December 18, 1956
  68 years ago

• CPC

  • B23B39/02 - Boring machines Combined horizontal boring and milling machines
  • Y10S82/905 - Transmission accessory or control
  • Y10T29/5105 - Drill press
  • Y10T74/1453 - Interlocked rotator and brake
  • Y10T74/19247 - Preselector
  • Y10T74/19433 - Fluid operated
  • Y10T82/2504 - And transmission
  • Y10T408/6774 - including plural speed drive

• US Classifications

  • 074 - Machine element or mechanism
  • 029 - Metal working
  • 082 - Turning
  • 408 - Cutting by use of rotating axially moving tool
  • 475 - Planetary gear transmission systems or components