2011681

Information

• Patent Grant
• 2011681

• References
• Source

• Patent Number

  2,011,681

• Date Filed

  Not available

• Date Issued

  Tuesday, August 20, 1935
  89 years ago

• CPC

  • F16L13/122 - for male-female connections

• US Classifications

  • 285 - Pipe joints or couplings