3519023

Information

• Patent Grant
• 3519023

• References
• Source

• Patent Number

  3,519,023

• Date Filed

  Not available

• Date Issued

  Tuesday, July 7, 1970
  54 years ago

• CPC

  • F16L53/005 - by ohmic-resistance heating
  • E03B7/14 - Devices for thawing frozen pipes

• US Classifications

  • 138 - Pipes and tubular conduits
  • 219 - Electric heating
  • 392 - Electric resistance heating devices