379728

Information

• Patent Grant
• 379728

• References
• Source

• Patent Number

  379,728

• Date Filed

  Not available

• Date Issued

  Tuesday, March 20, 1888
  137 years ago

• CPC

  • B02C18/34 - with means for cleaning the perforated discs
  • Y10S239/13 - Soot blowers and tube cleaners

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning
  • 239 - Fluid sprinkling, spraying, and diffusing