3448734

Information

• Patent Grant
• 3448734

• References
• Source

• Patent Number

  3,448,734

• Date Filed

  Not available

• Date Issued

  Tuesday, June 10, 1969
  55 years ago

• CPC

  • B24B7/005 - Portal grinding machines
  • B24B27/0641 - for grinding holes
  • B28D1/041 - with cylinder saws
  • B28D1/18 - by milling
  • E21B10/48 - the bit being of core type
  • Y10T408/455 - Conducting channel extending to end of Tool

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool