3039495

Information

• Patent Grant
• 3039495

• References
• Source

• Patent Number

  3,039,495

• Date Filed

  Not available

• Date Issued

  Tuesday, June 19, 1962
  62 years ago

• CPC

  • F16L58/12 - by tar or bitumen

• US Classifications

  • 138 - Pipes and tubular conduits