2990806

Information

• Patent Grant
• 2990806

• References
• Source

• Patent Number

  2,990,806

• Date Filed

  Not available

• Date Issued

  Tuesday, July 4, 1961
  63 years ago

• CPC

  • A01G25/00 - Watering gardens, fields, sports grounds, or the like
  • E02B13/00 - Irrigation ditches
  • G01F23/223 - using a melting or dissolving material as a part of alarm-means

• US Classifications

  • 116 - Signals and indicators