1722853

Information

• Patent Grant
• 1722853

• References
• Source

• Patent Number

  1,722,853

• Date Filed

  Not available

• Date Issued

  Tuesday, July 30, 1929
  95 years ago

• CPC

  • B24B55/06 - Dust extraction equipment on grinding or polishing machines
  • Y10S29/085 - with fluid control valve

• US Classifications

  • 451 - Abrading
  • 029 - Metal working