1825277

Information

• Patent Grant
• 1825277

• References
• Source

• Patent Number

  1,825,277

• Date Filed

  Not available

• Date Issued

  Tuesday, September 29, 1931
  93 years ago

• CPC

  • B28D1/041 - with cylinder saws
  • B24B27/0641 - for grinding holes
  • Y10T408/03 - Processes
  • Y10T408/81 - Tool having crystalline cutting edge
  • Y10T408/895 - Having axial, core-receiving central portion

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool