2170467

Information

• Patent Grant
• 2170467

• References
• Source

• Patent Number

  2,170,467

• Date Filed

  Not available

• Date Issued

  Tuesday, August 22, 1939
  85 years ago

• CPC

  • B61L29/224 - using rail contacts

• US Classifications

  • 246 - Railway switches and signals
  • 049 - Movable or removable closures