1961021

Information

• Patent Grant
• 1961021

• References
• Source

• Patent Number

  1,961,021

• Date Filed

  Not available

• Date Issued

  Tuesday, May 29, 1934
  90 years ago

• CPC

  • B61G9/045 - with only metal springs

• US Classifications

  • 213 - Railway draft appliances
  • 105 - Railway rolling stock