1308961

Information

• Patent Grant
• 1308961

• References
• Source

• Patent Number

  1,308,961

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1919
  105 years ago

• CPC

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

• US Classifications

  • 451 - Abrading
  • 012 - Boot and shoe making
  • 029 - Metal working