1716340

Information

• Patent Grant
• 1716340

• References
• Source

• Patent Number

  1,716,340

• Date Filed

  Not available

• Date Issued

  Tuesday, June 4, 1929
  95 years ago

• CPC

  • B61L29/224 - using rail contacts

• US Classifications

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