3913602

Information

• Patent Grant
• 3913602

• References
• Source

• Patent Number

  3,913,602

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1975
  49 years ago

• CPC

  • F16K49/002 - Electric heating means
  • E03B7/12 - by preventing freezing
  • E03B9/14 - Draining devices for hydrants
  • Y10T137/1244 - With freeze waste
  • Y10T137/5474 - With heater
  • Y10T137/5497 - Protection against freezing
  • Y10T137/6606 - With electric heating element
  • Y10T137/7036 - Jacketed

• US Classifications

  • 137 - Fluid handling
  • 219 - Electric heating
  • 222 - Dispensing
  • 392 - Electric resistance heating devices