2911939

Information

• Patent Grant
• 2911939

• References
• Source

• Patent Number

  2,911,939

• Date Filed

  Not available

• Date Issued

  Tuesday, November 10, 1959
  65 years ago

• CPC

  • A01G25/16 - Control of watering
  • G01F23/223 - using a melting or dissolving material as a part of alarm-means

• US Classifications

  • 116 - Signals and indicators