3522826

Information

• Patent Grant
• 3522826

• References
• Source

• Patent Number

  3,522,826

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1970
  54 years ago

• CPC

  • B23B51/0406 - Drills with a tubular body
  • B27B5/12 - Cylinder saws
  • B27M3/00 - Manufacture or reconditioning of specific semi-finished or finished articles
  • B23B2251/50 - Drilling tools comprising cutting inserts
  • Y10T408/47 - with work-infeed means
  • Y10T408/895 - Having axial, core-receiving central portion

• US Classifications

  • 144 - Woodworking
  • 408 - Cutting by use of rotating axially moving tool