2131223

Information

• Patent Grant
• 2131223

• References
• Source

• Patent Number

  2,131,223

• Date Filed

  Not available

• Date Issued

  Tuesday, September 27, 1938
  86 years ago

• CPC

  • B60L5/14 - Devices for automatic lowering of a jumped-off collector

• US Classifications

  • 191 - Electricity: transmission to vehicles
  • 242 - Winding, tensioning, or guiding