1811480

Information

• Patent Grant
• 1811480

• References
• Source

• Patent Number

  1,811,480

• Date Filed

  Not available

• Date Issued

  Tuesday, June 23, 1931
  93 years ago

• CPC

  • B24B49/045 - Specially adapted gauging instruments
  • Y10S33/11 - Materials

• US Classifications

  • 451 - Abrading
  • 033 - Geometrical instruments