3710828

Information

• Patent Grant
• 3710828

• References
• Source

• Patent Number

  3,710,828

• Date Filed

  Not available

• Date Issued

  Tuesday, January 16, 1973
  51 years ago

• CPC

  • H01B7/207 - composed of iron or steel
  • H01B13/22 - Sheathing Armouring Screening Applying other protective layers

• US Classifications

  • 138 - Pipes and tubular conduits