1457677

Information

• Patent Grant
• 1457677

• References
• Source

• Patent Number

  1,457,677

• Date Filed

  Not available

• Date Issued

  Tuesday, June 5, 1923
  101 years ago

• CPC

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

• US Classifications

  • 191 - Electricity: transmission to vehicles