873069

Information

• Patent Grant
• 873069

• References
• Source

• Patent Number

  873,069

• Date Filed

  Not available

• Date Issued

  Tuesday, December 10, 1907
  117 years ago

• CPC

  • E02D23/06 - bringing persons or material into or out of compressed air caissons

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 114 - Ships