2181244

Information

• Patent Grant
• 2181244

• References
• Source

• Patent Number

  2,181,244

• Date Filed

  Not available

• Date Issued

  Tuesday, November 28, 1939
  85 years ago

• CPC

  • B61C15/02 - by auxiliary driving wheels by temporary coupling or use of fly wheels or booster engines
  • Y10T74/2135 - Noiseless

• US Classifications

  • 074 - Machine element or mechanism
  • 105 - Railway rolling stock
  • 192 - Clutches and power-stop control