1701817

Information

• Patent Grant
• 1701817

• References
• Source

• Patent Number

  1,701,817

• Date Filed

  Not available

• Date Issued

  Tuesday, February 12, 1929
  95 years ago

• CPC

  • E21D11/00 - Lining tunnels, galleries or other underground cavities
  • E03F3/04 - Pipes or fittings specially adapted to sewers
  • E04B2/50 - using elements having a general shape differing from that of a parallelepiped
  • E04B2002/0265 - Building elements for making arcuate walls

• US Classifications

  • 285 - Pipe joints or couplings