1911857

Information

• Patent Grant
• 1911857

• References
• Source

• Patent Number

  1,911,857

• Date Filed

  Not available

• Date Issued

  Tuesday, May 30, 1933
  91 years ago

• CPC

  • B24B47/18 - for rotating the spindle at a speed adaptable to wear of the grinding wheel
  • Y10S451/915 - Abrading wheel speed control

• US Classifications

  • 451 - Abrading