3349647

Information

• Patent Grant
• 3349647

• References
• Source

• Patent Number

  3,349,647

• Date Filed

  Not available

• Date Issued

  Tuesday, October 31, 1967
  57 years ago

• CPC

  • B23B39/14 - with special provision to enable the machine or the drilling or boring head to be moved into any desired position
  • B23Q1/52 - a single rotating pair
  • B23Q1/625 - followed parallelly by a single rotating pair
  • Y10S408/01 - Bowling ball drill
  • Y10T408/03 - Processes
  • Y10T408/21 - with signal, indicator, illuminator or optical means
  • Y10T408/5623 - with presser foot
  • Y10T408/902 - Having central lead-screw
  • Y10T409/303808 - including infeeding
  • Y10T409/30896 - with angular adjustment
  • Y10T409/309016 - with work holder or guide

• US Classifications

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