3593799

Information

• Patent Grant
• 3593799

• References
• Source

• Patent Number

  3,593,799

• Date Filed

  Not available

• Date Issued

  Tuesday, July 20, 1971
  53 years ago

• CPC

  • E21D5/012 - Use of fluid-tight or anti-friction material on outside of, or between, lining layers
  • E21D11/38 - Waterproofing Heat insulating Soundproofing Electric insulating

• US Classifications

  • 166 - Wells
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 405 - Hydraulic and earth engineering