1891331

Information

• Patent Grant
• 1891331

• References
• Source

• Patent Number

  1,891,331

• Date Filed

  Not available

• Date Issued

  Tuesday, December 20, 1932
  92 years ago

• CPC

  • C23G3/04 - for cleaning pipes
  • Y10S29/069 - Fluid spreader contacts cutter
  • Y10S29/088 - by projecting, squirting or dripping
  • Y10S29/102 - Debris chute

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning
  • 029 - Metal working
  • 451 - Abrading