1988538

Information

• Patent Grant
• 1988538

• References
• Source

• Patent Number

  1,988,538

• Date Filed

  Not available

• Date Issued

  Tuesday, January 22, 1935
  90 years ago

• CPC

  • B28D1/041 - with cylinder saws
  • Y10T408/51 - Ejector
  • Y10T408/56238 - Encompassed by Tool during cut
  • 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