3545213

Information

• Patent Grant
• 3545213

• References
• Source

• Patent Number

  3,545,213

• Date Filed

  Not available

• Date Issued

  Tuesday, December 8, 1970
  55 years ago

• CPC

  • E21D11/10 - with concrete cast in situ Shuttering also lost shutterings
  • E21D11/04 - Lining with building materials
  • E21D11/38 - Waterproofing Heat insulating Soundproofing Electric insulating

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 052 - Static structures
  • 138 - Pipes and tubular conduits