2200506

Information

• Patent Grant
• 2200506

• References
• Source

• Patent Number

  2,200,506

• Date Filed

  Not available

• Date Issued

  Tuesday, May 14, 1940
  84 years ago

• CPC

  • B24B33/025 - Internal surface of conical shape
  • Y10T82/156 - Templet controlled

• US Classifications

  • 451 - Abrading
  • 082 - Turning