1764546

Information

• Patent Grant
• 1764546

• References
• Source

• Patent Number

  1,764,546

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1930
  94 years ago

• CPC

  • E01C23/246 - comprising means for mechanically working the applied material

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning
  • 222 - Dispensing