365836

Information

• Patent Grant
• 365836

• References
• Source

• Patent Number

  365,836

• Date Filed

  Not available

• Date Issued

  Tuesday, July 5, 1887
  137 years ago

• CPC

  • B02C18/34 - with means for cleaning the perforated discs

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning