1384990

Information

• Patent Grant
• 1384990

• References
• Source

• Patent Number

  1,384,990

• Date Filed

  Not available

• Date Issued

  Tuesday, July 19, 1921
  104 years ago

• CPC

  • C05F7/005 - Waste water from industrial processing material neither of agricultural nor of animal origin
  • C05D3/00 - Calcareous fertilisers
  • C05D9/02 - containing trace elements

• US Classifications

  • 504 - Plant protecting and regulating compositions
  • 071 - Chemistry: fertilizers
  • 188 - Brakes