1728820

Information

• Patent Grant
• 1728820

• References
• Source

• Patent Number

  1,728,820

• Date Filed

  Not available

• Date Issued

  Tuesday, September 17, 1929
  95 years ago

• CPC

  • B60M1/23 - Arrangements for suspending trolley wires from catenary line

• US Classifications

  • 191 - Electricity: transmission to vehicles