2213030

Information

• Patent Grant
• 2213030

• References
• Source

• Patent Number

  2,213,030

• Date Filed

  Not available

• Date Issued

  Tuesday, August 27, 1940
  84 years ago

• CPC

  • B24B19/10 - for grinding pistons

• US Classifications

  • 451 - Abrading
  • 125 - Stone working