3258032

Information

• Patent Grant
• 3258032

• References
• Source

• Patent Number

  3,258,032

• Date Filed

  Not available

• Date Issued

  Tuesday, June 28, 1966
  58 years ago

• CPC

  • F16L58/12 - by tar or bitumen
  • Y10T428/2443 - Sand, clay, or crushed rock or slate

• US Classifications

  • 138 - Pipes and tubular conduits
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 428 - Stock material or miscellaneous articles