3868790

Information

• Patent Grant
• 3868790

• References
• Source

• Patent Number

  3,868,790

• Date Filed

  Not available

• Date Issued

  Tuesday, March 4, 1975
  49 years ago

• CPC

  • B24C3/34 - for cleaning sparking plugs
  • B24C3/32 - designed for abrasive blasting of particular work

• US Classifications

  • 451 - Abrading