2492023

Information

• Patent Grant
• 2492023

• References
• Source

• Patent Number

  2,492,023

• Date Filed

  Not available

• Date Issued

  Tuesday, December 20, 1949
  75 years ago

• CPC

  • B60M1/14 - Crossings Points

• US Classifications

  • 191 - Electricity: transmission to vehicles
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets