727799

Information

• Patent Grant
• 727799

• References
• Source

• Patent Number

  727,799

• Date Filed

  Not available

• Date Issued

  Tuesday, May 12, 1903
  121 years ago

• CPC

  • E21D9/0635 - Tail sealing means

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 285 - Pipe joints or couplings