1640304

Information

• Patent Grant
• 1640304

• References
• Source

• Patent Number

  1,640,304

• Date Filed

  Not available

• Date Issued

  Tuesday, August 23, 1927
  97 years ago

• CPC

  • B60L5/10 - Devices preventing the collector from jumping off

• US Classifications

  • 191 - Electricity: transmission to vehicles