2612904

Information

• Patent Grant
• 2612904

• References
• Source

• Patent Number

  2,612,904

• Date Filed

  Not available

• Date Issued

  Tuesday, October 7, 1952
  72 years ago

• CPC

  • E03B7/12 - by preventing freezing
  • Y10T137/6362 - Manual rotating means

• US Classifications

  • 137 - Fluid handling
  • 251 - Valves and valve actuation