2803509

Information

• Patent Grant
• 2803509

• References
• Source

• Patent Number

  2,803,509

• Date Filed

  Not available

• Date Issued

  Tuesday, August 20, 1957
  67 years ago

• CPC

  • B24B19/11 - for grinding the circumferential surface of rings
  • Y10T29/49282 - including grinding or honing

• US Classifications

  • 277 - Seal for a joint or juncture
  • 029 - Metal working
  • 451 - Abrading