2687221

Information

• Patent Grant
• 2687221

• References
• Source

• Patent Number

  2,687,221

• Date Filed

  Not available

• Date Issued

  Tuesday, August 24, 1954
  70 years ago

• CPC

  • B61G1/38 - rotatable about line of traction

• US Classifications

  • 213 - Railway draft appliances
  • 285 - Pipe joints or couplings