2199773

Information

• Patent Grant
• 2199773

• References
• Source

• Patent Number

  2,199,773

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1940
  84 years ago

• CPC

  • B24B3/32 - for thinning the point

• US Classifications

  • 451 - Abrading
  • 125 - Stone working