3390412

Information

• Patent Grant
• 3390412

• References
• Source

• Patent Number

  3,390,412

• Date Filed

  Not available

• Date Issued

  Tuesday, July 2, 1968
  56 years ago

• CPC

  • A47L23/06 - with electric drive

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning
  • 451 - Abrading