3812872

Information

• Patent Grant
• 3812872

• References
• Source

• Patent Number

  3,812,872

• Date Filed

  Not available

• Date Issued

  Tuesday, May 28, 1974
  50 years ago

• CPC

  • E03B7/10 - Devices preventing bursting of pipes by freezing
  • Y10T137/1298 - Stop and waste
  • Y10T137/1353 - Low temperature responsive drains

• US Classifications

  • 137 - Fluid handling
  • 165 - Heat exchange
  • 237 - Heating systems