3120020

Information

• Patent Grant
• 3120020

• References
• Source

• Patent Number

  3,120,020

• Date Filed

  Not available

• Date Issued

  Tuesday, February 4, 1964
  60 years ago

• CPC

  • F24B13/006 - Arrangements for cleaning

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning